RBI Assistant / Numerical Ability

RBI Assistant Numerical PYQ practice questions

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Numerical PYQ questions with answers

Question 1 / Numerical PYQ

Direction: the field of environmental conservation. What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) (64.99% of 599.91 + 49.99% of 199.99 + 135.11) =?2

A. 25
B. 55
C. 95
D. 100
E. none of these

Correct answer

A. 25

Why

ATQ, (64.99% of 599.91 + 49.99% of 199.99 + 135.11) =?2 (65% of 600 + 50% of 200 + 135) ~?2 (0.65 × 600 + 0.50 × 200 + 135) ~?2 (390 + 100 + 135) ~? 2 (625) ~?2 ? ~ ±25

Question 2 / Numerical PYQ

Direction: What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) ?440.98 + (17.95% of 249.96 - 12% of 99.99) + (7.12)2 =?

A. 25
B. 55
C. 75
D. 103
E. none of these

Correct answer

D. 103

Why

ATQ, ?440.98 + (17.95% of 249.96 - 12% of 99.99) + (7.12)2 =? ?441 + (18% of 250 - 12% of 100) + (7)2 ~? 21 + (45 - 12) + 49 ~? 21 + (33) + 49 ~? w? ~ 103

Question 3 / Numerical PYQ

Direction: What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.) 74.99% of 539.99 =?% of 2024.98

A. 45
B. 20
C. 65
D. 95
E. none of these

Correct answer

B. 20

Why

ATQ, 74.99% of 539.99 =?% of 2024.98 ?% × 2025 ~ 75% × 540 ?% × 20.25 ~ 405 ? ~ 405/20.25 ? ~ 20

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