Questions Asked in NIACL AO Prelims Held on 30th Jan 2019

Dear Readers, Here we have given the list of Questions Asked in NIACL AO Prelims Examination which was held on 30th January 2019. Aspirants can make use of it.

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Wrong number series:

1) 400    399    396    387    360    278

Logic: The difference is 1, 3, 9, 27, 81

Difference value multiply with 3

Replace 278 with 279


2) 2.5    1.5    2    5    19    92    563

Logic: The series is ×1-1, ×2-1, ×3-1, ×4-1, ×5-1, ×6-1

Replace 92 with 94


3) 1500    978    645    429    304    240    213

Logic: The difference is 83, 73, 63, 53, 43, 33

Replace 978 with 988


4) 3    9    18    72    360    2160    15420

Logic: The series is ×2, ×3, ×4, ×5, ×6

Replace 9 with 6


5) 80    73    87    66    95    59    101

Logic: The series is -7, +14, -21, +28, -35, +42

Replace 95 with 94


Application sums:

1) The area of circle is 144 πcm^2 and diameter of the circle is equal to the diagonal of a square. Find the perimeter of the square?

2) There are X Red balls and 12 Green balls in a bag. The probability of taking one Red ball is 2/5. Then totally how many balls in the bag?

3) The time taken by a boat covers 100 km upstream is 2 hours more than the time taken to cover 72 km downstream. If speed of the boat in still water is 11 times the speed of flow of water, then the speed of boat in still water is?

4) There are 320 boys and 240 girls in a class. In an examination equal number of boys and girls are failed. If the number of boys passed is 1.4 times the number of girls passed, then find the total number of boys and girls failed in the examination?

5) Rs. 8000 is invested in Simple Interest for 5 years at a rate of R%. Then the amount reinvested in compound Interest at a rate of 10% per annum for 2 years. The amount became Rs. 2856 in Compound Interest. What is the value of R?



1) Nine people A, B, C, D, E, F, G, H, and J are sitting in a straight line facing north. F sits seventh to the right of A. Three people sit between F and B. H sits third to the right of B. H and C are immediate neighbours. Three people sits between H and D. G sits third to the left of D. E sits third to the left of J.

2) Nine people P, Q, R, S, T, U, V, W and X are live in a nine storey building but no necessarily in the same order. The ground floor is numbered 1 and the topmost floor is numbered 9. V lives on the fifth floor. Two people live between W and V. P lives immediately below W. As many people live below P as same as above Q. One people live between X and Q. R lives immediately above T. S lives above U.


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