RRB NTPC SAMPLE PAPER - ARITHMETIC - 116

1. Which of the following fractions is
the smallest?

9/13, 17/26, 28/29, 33/52

(a) 33/52
(b) 17/26
(c) 9/13
(d) 28/39

2. (49)¹⁵ – 1 is exactly divisible by:

(a) 50
(b) 51
(c) 29
(d) 8

3. Fraction between 2/5 and 4/9 is :

(a) 3/7
(b) 2/3
(c) 4/5 
(d) 1/2

4. If 1/3 of a tank holds 80 litres of water, then the quantity of water that 1/2 tank holds is :

(a) 240 litres
(b) 120 litres
(c) 80/3 litres
(d) 100 litres

5. The LCM of two numbers is 495 and their HCF is 5. If the sum of numbers is 100, then their difference is :

(a) 10
(b) 46
(c) 70
(d) 90

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

1. (a) 2. (d) 3. (a) 4. (b) 5. (a)