RRB NTPC SAMPLE PAPER - ARITHMETIC - 08

1. If *381 is divisible by 11, then the digit at tae place of * is

(a) 0
(b) 1
(c) 4
(d) 7

2. By which smallest number should 5808 be multiplied so that it becomes a perfect square?

(a) 2
(b) 7
(c) 11
(d) 3

3. The least number which when divided by 4, 6, 8, 12 and 16 leaves a remainder of 2 in each case is

(a) 46
(b) 48
(c) 50
(d) 56

4. Sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals?

(a) 8/75
(b) 1/40 
(c) 75/8
(d) 75/4

5. The product of the LCM and HCF of two numbers is 24. The difference of the two numbers is 2. Find the numbers ?

(a) 8 and 6
(b) 8 and 10
(c) 2 and 4
(d) 6 and 4 3

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

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