20% 𝑜𝑓 420 +16% 𝑜𝑓 2500 +25%𝑜𝑓 440 +17% 𝑜𝑓 220=?
(A) 631.4
(B) 641
(C) 215
(D) 511
(E) None

#quadratic #equations .

(A) x>y
(B) x<y
(C) x=y or no relation can be established
(D) x≥y
(E) x≤y

1. x2- 30x + 216 = 0
y2- 16y+ 64 =0

2. x2- 34x + 273 = 0
y2 +11y- 102 =0

3. x2 = 1444
y2- 43y+ 456 =0

4. 3x2 - 19x + 28 = 0
y3 = 5832

5. 2x2 - 27x + 91 = 0
2y2- 19y+ 42 =0

6. 3x2 + 37x + 104 = 0
3y2- 25y+ 48 =0

7. 13x + 9y= 145
7x - 4y =25

8. x2 – 17x + 72 = 0
y2 + 23y+ 132 =0

9. x2 + 11x +24 = 0
y2 + 12y+ 32 =0

10. 11x+ 8y = 132
9x + y =105

11. 4x2 + 33x + 68 = 0
4y2 + 37y+ 85 =0

12. x2 + x - 42 = 0
y2 - 22y+ 96 =0

13. x2 + 23x +112 = 0
y2 +24y+ 119 =0

14. x= √289
y2- 16y+ 39 =0

15. x2 + 3x - 28 = 0
y2 = 169

#Missing #series

1. 167, 194, 223, 254, 287, ?
(a) 346
(b) 385
(c) 391
(d) 322
(e) None

2. 617, 628, 641, 658, 677, ?
(a) 700
(b) 698
(c) 723
(d) 777
(e) None

3. 859, ?, 872, 897, 946, 1067
(a) 866
(b) 863
(c) 870
(d) 860
(e) None

4. 26, 156, ?, 3120, 9360, 18720
(a) 820
(b) 760
(c) 840
(d) 780
(e) None

5. 1006, ?, 1732, 2200, 2746, 3376
(a) 1206
(b) 1464
(c) 1336
(d) 1296
(e) None

6. 25, 13, ?, 22.5, 47, 120
(a) 14
(b) 18.5
(c) 16
(d) 19.5
(e) None

7. 1, ?, 59, 241, 967, 3869
(a) 33
(b) 23
(c) 13
(d) 43
(e) None

8. 213, ?, 218, 245, 261, 386
(a) 216
(b) 214
(c) 215
(d) 217
(e) None

9. 347, 428, ?, 596, 683, 772
(a) 511
(b) 485
(c) 504
(d) 468
(e) None

10. 483, ?, 491, 503, 523, 553
(a) 484
(b) 487
(c) 485
(d) 489
(e) None

Q1.) What is the difference between 20% of P and 20% of (P+5000)?
A. 1500
B. 1200
C. 1000
D. 2000
E. 1600

Q2.) The ratio of Ishu 8 years hence to that of Ahana 6 years hence is 5:6. The age of Ishu
10 years hence is equal to the age of Ahana 6 years hence. Then, Find the present age of
Ishu?
A. 1.5 years
B. 2 years
C. 3 years
D. 4 years
E. 5 years

Q3.) The sum of four times of an amount ‘x’ and (x-9.75) is ₹442. Find the approximate
value of x.
A. ₹85
B. ₹90
C. ₹100
D. ₹110
E. ₹750

Q4.) The difference between the downstream and the upstream speed of a boat is 6kmph
and the boat travels 72km fro P to Q (downstream) in 4 hours. Then find the speed of the
boat in still water.
A. 15kmph
B. 18kmph
C. 20kmph
D. 16kmph
E. 24kmph

Q5.) Find the greatest number of six digits which, on being divided by 5, 6, 7, 8, 9, leaves
3, 4, 5, 6, 7 as remainder respectively.
A. 997280
B. 997918
C. 995070
D. 994070
E. 989999

Q6.) A starts a business with ₹3000. B joins him after 3 months with ₹5000. C puts a sum
of ₹12000 in the business for 2 months only. At the end of the year, a total profit of ₹7525
is earned. What will be the C’s share?
A. ₹1720
B. ₹2010
C. ₹1675
D. ₹2120
E. ₹1550

Q7.) The number of seats in a cinema hall is increased by 20%. The price on a ticket is also
increased by 5%. What is the effect on the revenue collected?
A. 26% decrease
B. 20% decrease
C. 20% increase
D. 26% increase
E. 23% increase

Q8.) A sum of ₹1550 is lent out in two parts — one at 10% and the other 12%. If the total
annual income is ₹162.75 the money lent at 10% is ?
A. ₹975.5
B. ₹1162.5
C. ₹1320.5
D. ₹720.2
E. None of these

Q9.) In a cricket tournament , there were 253 matches played. Every team played one
match with each other. The number of teams participating in the tournament is ?
A. 21
B. 23
C. 19
D. 27
E. 31

Q10.) If a son is one third the age of his father now and one fifth the age of his father 6
years ago, then how old will his father be 4 years hence? ( in years)
A. 60
B. 35
C. 40
D. 52
E. None of these

Q11.) In how many ways can 3 boys and 3 girls sit in a row so that neither any two boys
nor any two girls sit together?
A. 72
B. 48
C. 100
D. 165
E. 92

Q12.) Five times of the sum ‘x’ and ( x-7.72) is ₹445.6 . Find the approximate value of ‘x’ ?
A. 39.42
B. 46.42
C. 48.42
D. 32.42
E. 52.24

Q13.) I buy two chairs for ₹1260. I sell one so as to lose 5% and the other so as to gain
10%. On the whole transaction I neither lose nor gain. What was the cost price of the
chair sold at 10% profit
A. 540
B. 420
C. 590
D. 350
E. None of these

Q14.) A man can row 25km upstream and 40km downstream in 9 hours. Also, he can row
35km upstream and 50km downstream in 12 hours. Find the rate of current and the
speed of the man in still water.
A. 8kmph
B. 12kmph
C. 7kmph
D. 7.5kmph
E. 6.5kmph

Q15.) A train ‘A’ which is 150m long, can cross a platform, which is 100m long, in 10 seconds. The ratio
of the speed of train A to that of train B is 3:2. Find the length of train B if it can cross a pole in 6
seconds.
A. 60m
B. 40m
C. 55m
D. 35m
E. None of these

#caselet #di


Elections were held in a village in two rounds. 3 candidates (A, B and C) were selected for the elections. In first round A got 320 votes which is 60% more than the number of votes B got in the same round. The number of votes C got in 2nd round is 100 more than number of votes A got in 1st round and the ratio of number of votes A, B and C got in 2nd round is 5 : 6 : 7 respectively. Same number of votes casted in both the rounds


एक गांव में दो राउंड में चुनाव हुए। चुनाव के लिए 3 उम्मीदवारों (ए, बी और सी) का चयन किया गया था। पहले राउंड में A को 320 वोट मिले जो कि उसी राउंड में B को मिले वोटों की संख्या से 60% अधिक है। दूसरे राउंड में C को मिले वोटों की संख्या, पहले राउंड में A को मिले वोटों की संख्या से 100 अधिक है और दूसरे राउंड में A, B और C को मिले वोटों की संख्या का अनुपात क्रमशः 5: 6: 7 है। दोनों राउंड में समान वोट पड़े।

1.What is the total number of votes casted in both rounds together?
(A) 2160 (B) 2480 (C) 2520 (D) 2820 (E) None of these

2. Which candidate won the elections?
(A) B (B) C (C) A (D) CND (E) None of these