RRB NTPC Mathematics Questions: 9th August

Dear aspirants,

As you all know, RRB NTPC Exam will be held in the month of August-September 2019. So we are here to help you with the Mathematics subject. We are providing daily quantitative aptitude quizzes, which will help you to score good marks in this section. We aim to provide the best study material to our readers with exam level questions to help them get used to the recent pattern. Attempt this quiz and check your preparation.

Q1. Which one of the following is a factor of the sum of first twenty –five natural numbers?
(a) 26
(b) 24
(c) 13
(d) 12

 

Q2. The least positive integer that should be subtracted from 3011×3012 so that the difference is a perfect square is
(a) 3009
(b) 3010
(c) 3011
(d) 3012

Q3. If a and b are positive integers and a³ b² =72, then (a + b) is equal to
(a) 36
(b) 17
(c) 8
(d) 5

Q4. The sum of two numbers is 8 and their product is 15. The sum of their reciprocals is
(a)15/8
(b) 8/15
(c) 23/5
(d) 2/5

Q5. A number, when divided by 221, leaves a remainder 64. what is the remainder of the same number is divided by 13?
(a) 0
(b) 1
(c) 11
(d) 12

Q6. When a number is divided by 24, the remainder is 16. The remainder when the same number is divided by 12?
(a) 3
(b) 4
(c) 6
(d) 8

Q7. What is the remainder when (x^11+1) is divided by (x+1) ?
(a) 0
(b) 2
(c) 11
(d) 12

Q8. Two numbers, when divided by 17, leave remainders 13 and 11 respectively. If the sum of those two numbers is divided by 17, the remainder will be
(a) 13
(b) 11
(c) 7
(d) 4

Q9. The unit digit in the product (122)^173 is
(a) 2
(b) 4
(c) 6
(d) 8

Q10. A certain number when divided by 899 leaves the remainder 65. when the same number is divided by 31, the remainder is:
(a) 2
(b) 3
(c) 4
(d) 1