model 2 divisibility, multiples, add and subtract based number system Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

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) 11

b) 13

c) 4

d) 7

Question : 2

When a number is divided by 24, the remainder is 16. The remainder when the same number is divided by 12 is

a) 4

b) 3

c) 8

d) 6

Question : 3

A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by

a) 9

b) 11

c) 3

d) 5

Question : 4

Which of the following number is NOT divisible by 18 ?

a) 50436

b) 54036

c) 65043

d) 34056

Question : 5

The smallest number to be added to 1000, so that 45 divides the sum exactly, is :

a) 80

b) 35

c) 10

d) 20

Question : 6

In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, then the dividend is

a) 4306

b) 4236

c) 5336

d) 4336