# Quant Test for SBI PO Prelims Exam set – 01

Directions(1-5): Find the missing term ‘?’ of the following series.

1. 15, 21, 33, 51, 75, ?
74
88
95
91
105
Option E
15 + 6 × 1 = 21
21 + 6 × 2 = 33
33 + 6 × 3 = 51
51 + 6 × 4 = 75
75 + 6 × 5 = 105

2. 4, 11, 25, 53, 109, ?
200
252
221
233
242
Option C
4 +1 × 7 = 11
11 + 2 × 7 = 25
25 + 4 × 7 = 53
53 + 8 × 7 = 109
109 + 16 × 7 = 109 + 112 = 221

3. 11, 15, 31, 67, 131, ?
222
240
231
267
255
Option C
11 + 22 = 11 + 4 = 15
15 + 4^2 = 15 + 16 = 31
31 + 6^2 = 31 + 36 = 67
67 + 8^2 = 67 + 64 = 131
131 + 10^2 = 131 + 100 = 231

4. 5, 7, 13, 25, 45, ?
60
75
62
70
81
Option B
5 + 1 × 2 = 7
7 + 2 × 3 = 13
13 + 3 × 4 = 25
25 + 4 × 5 = 45
45 + 5 × 6 = 75

5. 483, 471, 435, 375, 291, ?
174
159
190
183
164
Option D
483 – 1 × 12 = 483 – 12 = 471
471 – 3 × 12 = 471 – 36 = 435
435 – 5 × 12 = 435 – 60 = 375
375 – 7 × 12 = 375 – 84 = 291
291 – 9 × 12 = 291 – 108 = 183

6. Tap A and B can fill a tank in (3x+3) hours and (4x+6) hours resp. Tap A is 50% more efficient than tap B. What is the value of x?
6
7
5
2
3
Option E
(3x+3)*1.5 = 4x+6
=>x = 3

7. A shopkeeper bought a table and a chair for Rs.1500. He sold table at a profit of 25% and chair at a loss of 25%. If in the whole transaction he made neither profit nor loss. Find the cost price of chair.
Rs.750
Rs.777
Rs.744
Rs.720
Rs.765
Option A
Let the CP of table be x.
And CP of chair be (1500 -x)
Now, 1.25x+0.75(1500-x) = 1500
=>x = 750
CP of chair = Rs.750

8. Ram divided Rs.5700 among his three children P,Q and R such that P received 25% more than Q and R received 40% less than Q. What is the share of R?
1200
1238
1440
1522
1671
Option A
Let the amount received by Q be Rs.x and by P be Rs.1.25x.
x+1.25x +0.6x = 5700
=>x = 2000
Amount received by R = 0.6*2000 = 1200

9. The average marks obtained by X,Y and Z is 56. The marks obtained by X and Y is 52. The ratio of marks obtained by X and Z is 5:8 resp. Find the marks obtained by Y.
50
70
64
48
68
Option C
Total marks = 56*3 = 168
Total marks obtained by X and Y = 52*2 = 104
Marks obtained by Z = 168-104 = 64
By Y = 64/8*5 = 40
By X = 104-40 = 64

10. Sashi spends 25% and 20% of her income on rent and food resp. She spends 40% of the remaining income on clothes and thereby saves Rs.3465. Find the income.
Rs.1500
Rs.14000
Rs.13200
Rs.10500
Rs.11200
Option D
Let the income be Rs.100
Amount spend on rent and food = (25+20)% of 100x = Rs.45x
Amount spend on clothes = 0.4(100x – 45x) = Rs.22x
Now, 33x = 3465
=>x = 105
Income = Rs.10500