RRB NTPC SAMPLE PAPER - ARITHMETIC - 216

RRB NTPC SAMPLE PAPER - ARITHMETIC - 216

1. (64)-2/3x(1/4)^-2 is equal to :

(a) 1
(b) 2
(c) 1/2
(d) 1/16

2. The H.C.F. of two numbers is 8. Which one of the following can never be their L.C.M.?

(a) 24
(b) 48
(c) 56
(d) 60

3. If the sum of two numbers is 22 and the sum of their squares is 404, then the product of the numbers is:

(a) 40
(b) 44
(c) 80
(d) 88

4. The sum of first 20 odd natural numbers is equal to :

(a) 210
(b) 300
(c) 400
(d) 420

5. (8/125)^-4/3 simplifies to :

(a) 625/16
(b) 625/8
(c) 625/32
(d) 16/625

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

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