# Quant Test for SBI Clerk Prelims 2021 Exam set – 5

Directions: what will be the wrong number in the given wrong number series ?

1. 28, 43, 23, 48, 18, 58
48
58
28
23
18
Option B
The series is + 15, – 20, + 25, – 30, + 35

2. 10, 11, 24, 78, 304, 1525
10
24
78
304
1525
Option C
The series is (* 1 + 1), (* 2 + 2), (* 3 + 3), (* 4 + 4), (* 5 + 5)

3. 2452, 2434, 2398, 2344, 2272, 2184
2272
2434
2344
2184
2452
Option D
The series is – 18, – 36, – 54, – 72, – 90

4. 15, 30, 90, 180, 360, 1080
1080
90
360
30
180
Option C
The series is * 2, * 3, * 2, * 3, * 2

5. 34, 38, 65, 81, 206, 240
240
65
34
81
206
Option A
The series is + 2^2, + 3^3, + 4^2, + 5^3, + 6^3

6. Directions: What is the value of ‘x’ in the given questions ?

x + 1048 – 260 = 1480

580
692
848
445
248
Option B
x = 1480 – 1048 + 260
x = 692

7. 28% 1500 + 25% of 1400 + x = 820
120
80
40
50
150
Option D
420 + 350 + x = 820
x = 820 – 770
x = 50

8. 1420 + 2240 – 3500 + x = 800
545
740
625
425
640
Option E
3660 – 3500 + x = 800
x = 800 – 160
x = 640

9. 448/8 + 40 – x = 20
40
75
60
76
85
Option D
56 + 40 – x = 20
x = 76

10. 2^4 * 4^2 ÷ 8^2 = x^2
4
2
8
3
5
Option B
2^4 * 2^4 ÷ 2^6 = x^2
x^2 = 2^4 + 4 – 6
x^2 = 2^2
x = 2