1) I. x¾/162 = x-¼/9
II. y2 = 1/7 of 2268

2) I. (49x²)½ – 133 = 0
II. (324𝑦²)½ – 126 = 0

3) I. x³/² – 9/x½ = 0
II. y2 – 7y + 12 = 0

4) I. 3x2 + 17x + 10 = 0
II. 10y2 +9y + 2 = 0

5) I. 7x + 13/x = 20
II. 3y2 – 2y – 21 = 0

6) I. x2 + 47x + 552 = 0
II. y2 + 45y + 506 = 0

7) I. 5/6 – 17/24 = x/120
II. y½/6 + y½ = 168/y³/²

1) b
2) a
3) d
4) c
5) e
6) d
7) a

#wrong #series .

(1) 200,100,150,377,1312.5,5906.25
(a) 150
(b) 377
(c) 1312.5
(d) 5906.25
(e) None of these

(2) 290,216,153,99,54,18
(a) 290
(b) 216
(c) 153
(d) 54
(e) None of these

(3) 12,18,32,50,80,122
(a) 12
(b) 18
(c) 32
(d) 50
(e) None of these

(4) 11,19,32,52,84,127
(a) 32
(b) 52
(c) 11
(d) 84
(e) None of these

(5) 21,42,65,90,127,146
(a) 21
(b) 65
(c) 90
(d) 127
(e) None of these

(6) 4,9,17,34,58,85
(a) 17
(b) 34
(c) 9
(d) 85
(e) None of these

(7) 50,25,25,50,300,1600
(a) 300
(b) 1600
(c) 50
(d) 25
(e) None of these

(1) b
(2) a
(3) c
(4) d
(5) d
(6) d
(7) a

#missing #series

1) 0.5, 1, 1.5, ?, 2.5, 3
(a) 2
(b) 1.5
(c) 1.25
(d) 1
(e) None of these

2) 5,15,45,135,?,1215
(a) 415
(b) 395
(c) 410
(d) 405
(e) None of these

3) 90, 96, 102, 108, 114,?
(a) 116
(b) 124
(c) 118
(d) 122
(e) None of these

4) 389,380,370,359,?,334
(a) 347
(b) 345
(c) 351
(d) 350
(e) None of these

5) 1,3,6,?,18,29
(a) 10
(b) 11
(c) 9
(d) 12
(e) None of these

6) 280,295,325,370,430,?
(a) 515
(b) 525
(c) 505
(d) 490
(e) None of these

7) 4,2,3,7.5,?,118.125
(a) 24.25
(b) 28.25
(c) 27.25
(d) 25.25
(e) none of these

1) a
2) d
3) e
4) a
5) b
6) c
7) e

#caselet #CI #SI

Mr. Bhargav has 3 sons A, B and C. He distributed his money which is 225000 among 3 of them in ratio 4 : 5 : 6. They invested the money in three different schemes. Scheme 1 offers 8% simple interest and the minimum period of investment in this scheme is 2 years. Scheme 2
offers 10% simple interest but the minimum period of these investment is 4 years. Scheme 3 offers 7% simple interest with no minimum period of investment. A invested 50% of his money in scheme 2 while B and C invested 30% and 40% of their money respectively in scheme 1.

1. B invest his remaining money in scheme 2 for 4 years and then invest the total money in scheme 3 for next 1 year. What is the total amount he has at the end of 5 years?

a) Rs. 110424
b) Rs. 103200
c) Rs. 108450
d) Rs. 105245
e) Rs. 102936

2. If A invest half of the remaining money he has in scheme 1 and remaining half in scheme 3 for 4 years, what is the total interest he earns at the end of 4 years?

a) Rs. 30000
b) Rs. 21000
c) Rs. 25000
d) Rs. 28000
e) Rs. 24000

3. What is the total amount of money with C after 4 years if he invests remaining money in scheme 3?

a) Rs. 116140
b) Rs. 111640
c) Rs. 116640
d) Rs. 116440
e) Rs. 113285

4. What can be the maximum interest A can earn at the end of 7 years? (A is allowed to shuffle the amount in different schemes).

a) Rs. 24000
b) Rs. 37440
c) Rs. 44260.8
d) Rs. 37800
e) None of these

5. What is the average amount with B and C at the end of 2 years if they invest their whole amount in scheme 1?

a) Rs. 101400
b) Rs. 104400
c) Rs. 87000
d) Rs. 95700
e) Rs. 82935

144.89 ÷ 4.92 x 3.04 = 75.01% of ?

A. 180
B. 68
C.140
D.96
E. 116

71.95% of (279.96 + 122.01) = ?²

A. 10
B. 14
C.20
D.17
E. 12

105.27 ÷ 4.87 + 19.01 x 23 = ?

A. 328
B. 458
C.618
D.520
E. 315

165.8% of 2050 + 61.98 x 19.99 - 31.002 = ?

A. 3612
B. 6512
C.5612
D.4612
E. 5021

(343)⅓+ (625)¼ + (1024)½ - 29.75 + 21.77 = ?

A. 36
B. 26
C.19
D.42
E. 68

(6693.98 - 3092.02 - 3551.92) % of 349.95 +? = 42999.95 + 599.92

A. 56455
B. 43478
C.36595
D.41435
E. 43425

(2397.021 + 461.021 - 105.045) ÷ √627 x 15.05 = ?

A. 2562
B. 1852
C.1762
D.1652
E. 1462

√1023.998 ÷ 16.026 x 19.9921 = ? - 657.16

A. 642
B. 787
C.897
D.697
E. None of these

A train running with a speed of 144 km/hr crosses a vertical pole in 35
seconds. Find the time taken by the train to cross 500 m long tunnel if its speed is decreased by 20 m/s.

(a) 95 seconds
(b) 90 seconds
(c) 60 seconds
(d) 65 seconds
(e) None of these