(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Number System

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Number System

1. Which of the following is true, if a = 3/4, b = 4/5 and c = 5/6?

(a) a < c < b
(b) a < b < c
(c) c < a < b
(d) b < a < c

2. In the array 48392874362754869364, the number of instances where an even number is followed by two odd numbers is

(a) 1
(b) 2
(c) 3
(d) 4

3. How many integers from 1 to 100 exist such that each is divisible by 5 and also has 5 as a digit ?

(a) 10
(b) 11
(c) 12
(d) 20

4. If x is an even integer, which of the following is an odd integer ?

(a) 3x + 2
(b) 7x
(c) 8x + 5
(d) x³

5. When the integer n is divided by 6, the remainder is 3. Which of the following is not a multiple of 6?

(a) n – 3
(b) n + 3
(c) 2n
(d) 3n.

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