6) Find the difference between the total number of students studying in College Q to that in College T of all the given streams?

a) 80

b) 120

c) 110

d) 180

e) None of these

 7) Find the ratio between the total number of students studying CSE in college P, R and T together to that of total number of students studying AERO in college Q, S and U together?

a) 52: 17

b) 46: 15

c) 38: 21

d) 63: 32

e) None of these

 8) Total number of MECH students studying in college P, Q and R together is what percentage of total number of students studying in college S together?

a) 85 %

b) 120 %

c) 105 %

d) 135 %

e) None of these

 9) Find the total number of students in college R, T and U together in all the given streams?

a) 1800

b) 1600

c) 1540

d) 1480

e) None of these

 10) Find the total number of AERO students studying in all the given colleges together?

a) 660

b) 780

c) 550

d) 820

e) None of these

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6). Answer: a)

The total number of students studying in College Q of all the given streams

= > 220 + 300 + 80 = 600

The total number of students studying in College S of all the given streams

= > 140 + 250 + 130 = 520

Required difference = 600 – 520 = 80

7). Answer: d)

The total number of students studying CSE in college P, R and T together

= > 180 + 200 + 250 = 630

The total number of students studying AERO in college Q, S and U together

= > 80 + 140 + 100 = 320

Required ratio = 630: 320 = 63: 32

8). Answer: c)

Total number of MECH students studying in college P, Q and R together

= > 150 + 220 + 260 = 630

Total number of students studying in college S together

= > 240 + 220 + 140 = 600

Required % = (630/600)*100 = 105 %

9). Answer: b)

The total number of students in college R, T and U together in all the given streams

= > (260 + 200 + 120) + (140 + 250 + 130) + (170 + 230 + 100)

= > 580 + 520 + 500 = 1600

10). Answer: a)

The total number of AERO students studying in all the given colleges together

= > 90 + 80 + 120 + 140 + 130 + 100

= > 660

The following line graph shows the value ratio of the export to import of two companies Reliance and Samsung over the period 2011-2016.

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6) In how many years is the import is more than the export of company Reliance?
a) 0
b) 1
c) 2
d) 3
e) More than 3

 7) If the total number of import of company Reliance for the years 2014 and 2015 was Rs 50 cr, what was the total export for the same years?
a) 15
b) 32
c) 31
d) can’t be determined
e) None of these

 8) In which of the following years, the difference between the export and import of company Reliance is minimum.
a) 2011
b) 2013
c) 2014
d) can’t be determined
e) None of these

 9) If the difference the import and export for company Samsung for the year 2013 was Rs. 50 cr. What is the export for the year 2013?
a) 180 crore
b) 264 crore
c) 150 crore
d) 146 crore
e) None of these

 10) Had the export for company Reliance in 2014 is reduced by 25% and import is increased by 25% for the same year, what is the new ratio of export to import?
a) 1.46
b) 1.58
c) 1.44
d) 1.64
e) None of these

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6) Answer: b)

In 2011, Export/Import = 0.8

7) Answer: d)

For 2014, E/I= 2.4 and for 2015, E/I = 1.8

50 = E1/2.4 + E2/1.8, so we can’t determine

8) Answer: d)

We don’t know the export or import of the company.

The given data is not sufficient to answer the given question

9) Answer: c)

E/I = 0.75

I = (4/3)*E
I – E = 50

4E/3 – E = 50,

So export = 150 crore

10) Answer: c)
Export/import = 2.4 = 24/10 = 12/5
So export = 12x and import = 5x
New ratio = 12x*(75/100) : 5x*(125/100) = 36/25 = 1.44

The table shows the percentage of marks obtained by different students in different subjects

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1) If maximum marks in Mathematics is 250, then what are the average marks scored by Rima, Isha, Akansha and Ishant together in mathematics?

a) 183.75

b) 120.75

c) 184.5

d) 165.75

e) 155.25

2) If the marks scored by Rima in Hindi and Social sciences are 160 and 222 respectively, then what is the ratio of marks scored by Isha in Hindi to the marks scored by Akansha in Social sciences?

a) 57: 105

b) 54: 103

c) 58: 105

d) 61: 103

e) 63: 105

3) If total marks in English are 200, then what is the average of marks scored by all 7 given persons in English?

a) 124

b) 154

c) 157

d) 134

e) 121

4) Total marks scored by Rima and Akansha in Mathematics are what percent of total marks scored by Karan and Akash in science?

a) 110%

b) 113.23%

c) 122.25%

d) 109.50%

e) Data insufficient.

5) If maximum marks in Science and Mathematics are equal, then what is the ratio of total marks scored by all 7 students in Science to the total marks scored by all 7 students in Mathematics?

a) 537:519

b) 530:523

c) 530:519

d) 523:511

e) 531:517

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1). Answer: a)

Marks scored by Rima in Mathematics = (92/100) * 250 = 230

Marks scored by Isha in Mathematics = (78/100) * 250 = 195

Marks scored by Akansha in Mathematics = (60/100) * 250 = 150

Marks scored by Ishant in Mathematics = (64/100) * 250 = 160

Required average = (230 + 195 + 150 + 160)/4 = (735/4) =183.75

2). Answer: c)

Let total marks in Hindi and Social sciences be H and S respectively.

Marks scored by Rima in Hindi = (80/100) * H

160 = (80/100) * H

H = 200.

Marks scored by Rima in Social sciences = (74/100) * S

222 = (74/100) * S

S = 300.

Marks scored by Isha in Hindi = (58/100) * 200 = 116.

Marks scored by Akansha in Social sciences = (70/100) * 300 = 210.

Required ratio = (116/210) = 58/105

3). Answer: d)

Marks scored by Rima in English = (70/100) * 200 = 140

Marks scored by Isha in English = (65/100) * 200 = 130

Marks scored by Akansha in English = (50/100) * 200 = 100

Marks scored by Sneha in English = (72/100) * 200 = 144

Marks scored by Karan in English = (58/100) * 200 = 116

Marks scored by Akash in English = (84/100) * 200 = 168

Marks scored by Ishant in English = (70/100) * 200 = 140

Required average= (140 + 130 + 100 + 144 + 116 + 168 + 140)17

= (938/7) = 134.

4). Answer: e)

As maximum marks of Science and Mathematics are not given so answer cannot be determined.

5). Answer: c)

Let maximum marks in Science = Maximum marks in Mathematics = M

Total marks scored by all 7 students in Science

= (95% + 82% + 65% + 72% + 46% + 90% + 80%) * M

= (530%) * M

Total marks scored by all 7 students in Mathematics

= (92% + 78% + 60% + 76% + 59% + 90% + 64%) * M

= (519%) * M Required ratio

= (530/519)

Puzzle Set Day - 10

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In a three generation of a family, there are eight members i.e. D, E, F, G, H, I , J and K who were born on the same day of the same month of different year i.e. 1988, 1973, 1986, 1980, 1989, 1990, 2009, and 1984 but not necessarily in the same order.
Note: Their age are considered as on the same month and day of 2017 as their date of births.
J is four years younger than E. There is no grandmother in the family. The difference between the ages of G and F is a perfect square. G is the grandfather and oldest person of this family. The addition of I’s age and J’s age is a perfect square and perfect cube. E’s age is not less than 30 years. D’s age is a perfect cube but less than 30. F is one year older than K.

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एक परिवार के तीन पीढ़ियाँ में, आठ सदस्य हैं अर्थात; D, E, F, G, H, I , J और K जिनका जन्म भिन्न वर्षों में जैसे 1988, 1973, 1986, 1980, 1989, 1990, 2009, और 1984 के समान महीने के समान तिथि को हुआ है, लेकिन इनका क्रम यही हो आवश्यक नहीं है।
नोट: उनकी उम्र उनके जन्म की तारीख के रूप में 2017 के समान महीने और समान तिथि को मानी जायेंगी।
J, E से चार वर्ष छोटा है। परिवार में कोई दादी/नानी नहीं है। G और F की आयु के बीच का अंतर एक पूर्ण वर्ग है। G दादा/नाना है और परिवार का मुख्य सदस्य है। I की आयु और J की आयु का जोड़ एक पूर्ण वर्ग और पूर्ण घन है। E की आयु 30 वर्ष से कम नहीं है। D की आयु एक पूर्ण घन है लेकिन 30 से कम है। F, K से एक वर्ष बड़ा है।

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Eight people viz. A, B, C, D, E, H, F and G lives on eight different floors of a building such as ground floor is numbered one , the floor just above is numbered 2 and so on till top floor numbered as eight but not necessarily in the same order.
More than three floors are between the floor on which D and B lives. D lives above B but not on top floor. F doesn’t live on ground floor. C lives immediate above B. E lives on floor number 4. H lives immediately below G. A live on a floor above G.

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आठ व्यक्ति अर्थात A, B, C, D, E, H, F और G एक इमारत की आठ विभिन्न मंजिलों पर रहते हैं जिसमें भूतल की संख्या एक है और उसके ठीक ऊपर वाली मंजिल की संख्या 2 है और इसी प्रकार आठवीं मंजिल तक लेकिन आवश्यक नहीं की इसी क्रम में हों.
D और B की मंजिलों के मध्य तीन से अधिक मंजिले हैं. D, B के ऊपर रहता है लेकिन सबसे ऊपर वाली मंजिल पर नहीं. F भूतल पर नहीं रहता है. C, B के ठीक ऊपर रहता है. E चौथी मंजिल पर रहता है. H, G के ठीक नीचे रहता है. A, G के ऊपर वाली मजिल पर रहता है.

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Seven friends i.e. Y, N, D, P, B, M and W have decided to travel to different cities of the world. These cities are Singapore, London, Bangkok, New york, Dubai, Rome and Paris. They travel on different days of a week, starting from Monday to Sunday. There are two days gap between the one who goes on Friday and the one who goes to London. D goes to Singapore and just before B’s visit. There is three days gap between the one who goes to London and D. P goes on Monday. The one who goes to Dubai went on Friday. B does not go either on Wednesday or Thursday. W goes to Rome but not after N. There is one day gap between N’s visit and B’s visit. The one who goes to Paris , goes to before Thursday. W who does not go to Paris, goes before Y. The one, who goes to Bangkok, goes after N.

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सात मित्र अर्थात Y, N, D, P, B, M और W दुनिया के विभिन्न शहरों की यात्रा करने का फैसला करते हैं. ये शहर हैं सिंगापुर, लंदन, बैंकॉक, न्यू यॉर्क, दुबई, रोम और पेरिस. वे सोमवार से रविवार तक एक सप्ताह के विभिन्न दिनों में यात्रा करते हैं.. शुक्रवार को जाने वाले और लंदन जाने वाले के बीच दो दिन का अंतर है. D, B की यात्रा के ठीक पहले सिंगापुर जाता है. लंदन जाने वाले व्यक्ति और D के मध्य तीन दिन का अंतर है. P सोमवार को जाता है. वह व्यक्ति जो दुबई जाता है वह शुक्रवार को को जाता है. B या तो बुधवार या गुरूवार को नहीं जाता है. W, रोम जाता है लेकिन N के बाद नहीं. N की यात्रा और B की यात्रा के मध्य एक दिन का अंतर है. वह व्यक्ति जो पेरिस जाता है, वह गुरूवार के पहले जाता है. W जो पेरिस नहीं जा रहा है वह Y के पहले जाता है. वह व्यक्ति जो बैंकाक जाता है वह N के बाद जाता है.

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Six employees i.e. B, H, G, Y, J and D live on a different floor of six storey building. Ground floor is numbered one and top floor is numbered six. They have different branded cars i.e. Centro, Nano, Safari, I10, Alto, and Ferrari. The one, who lives at 3rd floor, has I10. G likes Centro and lives just below the floor on which D lives. J lives at even numbered floor. The one who has Ferrari does not live at odd numbered floor. B does not have I10. The one who has Alto lives either on Top floor or Ground floor. H lives at 2nd floor and lives just above the floor of the one who has Safari. The one who has Centro lives at odd numbered floor. H does not have Ferrari.

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छ: कर्मचारी अर्थात B, H, G, Y, J और D एक छ: मंजिला इमारत की विभिन्न मंजिलों पर रहते हैं. भूतल की संख्या एक है और सबसे ऊपर वाली मंजिल की संख्या छ: है. उनके पास विभिन्न ब्रांड की कार हैं अर्थात सेंट्रो, नैनो, सफारी, I10, ऑल्टो और फेरारी. वह व्यक्ति जो तीसरी मंजिल पर रहता है उसके पास I10 है. G सेंट्रो को पसंद करता है और D के ठीक नीचे वाले मंजिल पर रहता है. J सम संख्या वाली मंजिल पर रहता है. वह व्यक्ति जिसके पास फेरारी है वह विषम संख्या वाली मंजिल पर नहीं रहता है. B के पास I10 नहीं है. वह व्यक्ति जिसके पास आल्टो है वह या तो सबसे ऊपर वाली या भूतल पर रहता है. H दूसरी मंजिल पर सफारी वाले व्यक्ति के ठीक ऊपर रहता है.वह व्यक्ति जिसके पास सेंट्रो है वह विषम संख्या वाली मंजिल पर रहता है. H के पास फेरारी नहीं है.

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Eight Indian army soldiers viz. L, M, N, O, P, Q, R and S are sitting in a straight line facing north. They are meeting at the training camp. They are from different regiments viz. Kumaon, Assam, Bihar, Jat, Gorkha, Dogra, Rajput and Punjab but not necessarily in the same order.
Q sits third to the right of the person who is from Gorkha regiment. The person who is from Punjab regiment sits second to the right of Q. L and M are immediate neighbors of each other. Neither L nor M is an immediate neighbor of Q.R sits third to the right of the person who is from Kumaon regiment. Neither L nor M is from Kumaon regiment or Jat regiment. R is not from Punjab regiment. The one who is from Rajput regiment sits third to the right of M. The person who is from Assam regiment sits to the immediate left of S. Only one person sits between M and O. N sits second to the left of the one who is from Rajput regiment. Q does not belong to Rajput regiment. L sits at one of the extreme end. M does not belong to Bihar regiment.

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आठ भारतीय सैनिक अर्थात् L, M, N, O, P, Q, R और S एक सीधी पंक्ति में उत्तर की ओर उन्मुख होकर बैठे हैं। वे सब एक प्रशिक्षण शिविर में मिलते हैं। वे सभी अलग-अलग रेजिमेंट अर्थात् कुमाउं, असम, बिहार, जाट, गोरखा, डोगरा, राजपूत और पंजाब रेजिमेंट से सम्बन्धित है लेकिन आवश्यक नहीं कि समान क्रम में हों।
Q, उस व्यक्ति के दायें से तीसरे स्थान पर बैठा है जो गोरखा रेजिमेंट से सम्बन्धित है। जो व्यक्ति पंजाब रेजिमेंट से सम्बन्धित है, Q के दायें से दूसरे स्थान पर बैठा है। L और M एक दूसरे के निकटतम पड़ोसी हैं। न तो L न ही M, Q के निकटतम पड़ोसी हैं। R, उस व्यक्ति के दायें से तीसरे स्थान पर बैठा है जो कुमाउं रेजिमेंट से सम्बन्धित है। न तो L न ही M कुमाउं या जाट रेजिमेंट से सम्बन्धित है। R पंजाब रेजिमेंट से नहीं है. जो व्यक्ति राजपूत रेजिमेंट से सम्बन्धित है, M के दायें से तीसरे स्थान पर बैठा है। जो व्यक्ति असम रेजिमेंट से सम्बन्धित है, S के ठीक बायीं ओर बैठा है। M और O के बीच केवल एक व्यक्ति बैठा है। N, उस व्यक्ति के बायें से दूसरे स्थान पर बैठा है जो राजपूत रेजिमेंट से सम्बन्धित है। Q, राजपूत रेजिमेंट से सम्बन्धित नहीं है। L, किसी एक अंतिम छोर पर बैठा है। M, बिहार रेजिमेंट से सम्बन्धित नहीं है।

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4 Minutes Puzzle Challenge💪

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