RBI assistant prelims (14 feb) 2020 - Category wise Question and Answer Practice Test with Solutions & PDF

RBI assistant PRACTICE TEST [1 - EXERCISES]

RBI assistant prelims (14 feb) 2020
Directions:

What should come in place of the question mark '?' in the following number series?

[RBI (Assistant) Prelims 2020]

Question : 71 [RBI-assistant-2020]

12, 3, 1.5, 1.5, ?, 12

a) 6

b) 3

c) 9

d) 2

e) 5

Review »

Answer: (b)

The pattern of the series is
12 ÷ 4 = 3
3 ÷ 2 = 1.5
1.5 ÷ 1 = 1.5
1.5 ÷ 1/2 = 3
3 ÷ 1/4 = 12

Question : 72 [RBI-assistant-2020]

150, 153, 158, ?, 176, 189

a) 163

b) 165

c) 161

d) 167

e) 171

Review »

Answer: (b)

The pattern of the series is
150 + 3 = 153
153 + 5 = 158
158 + 7 = 165
165 + 11 = 176
176 + 13 = 189

Question : 73 [RBI-assistant-2020]

1000, ?, 300, 120, 36, 7.2

a) 900

b) 640

c) 450

d) 500

e) 600

Review »

Answer: (e)

The pattern of the series is
1000 × 0.6 = 600
600 × 0.5 = 300
300 × 0.4 = 120
120 × 0.3 = 36
36 × 0.2 = 7.2

Question : 74 [RBI-assistant-2020]

100, 136, 111, 127, 118, ?

a) 124

b) 128

c) 118

d) 122

e) 126

Review »

Answer: (d)

The pattern of the series is
100 + 62 = 136
136 – 52 = 111
111 + 42 = 127
127 – 32 = 118
118 + 22 = 122.

Question : 75 [RBI-assistant-2020]

0.2, ?, 6, 24, 72, 144

a) 1.2

b) 0.8

c) 2.4

d) 1.8

e) 1.5

Review »

Answer: (a)

The pattern of the series is
0.2 × 6 = 1.2
1.2 × 5 = 6
6 × 4 = 24
24 × 3 = 72
72 × 2 = 144

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