Problems on Numbers - Practice Questions

Question 1

The sum of three consecutive odd numbers is 57. The middle one is

Accepted Answer

Question 2

the sum of the squares of three consecutive odd numbers is 251. the numbers are :

Accepted Answer

Question 3

The sum of the digits of  a two-digit number is 9 less than the number which of the following digits is at unit place of the number ?

Accepted Answer

Question 4

If one-third of one-fourth of a number is 15, then three-tenth of that number is:

Accepted Answer

Question 5

If one-seventh of a number exceeds its eleventh part by 100, then the number is :

Accepted Answer

Question 6

The sum of first five prime numbers is:

Accepted Answer

Question 7

In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

Accepted Answer

Question 8

In a two-digit number , the sum of the digits is 15.if 9 is added to tthe number, the digits are reversed. the number is :

Accepted Answer

Question 9

The difference of two numbers is 11 and 1/5th of their sum is 9. the numbers are :

Accepted Answer

Question 10

The sum o two consecutive odd numbers in a set of three consecutive odd numbers is 5 more than the third number. What is the s second of these numbers :

Accepted Answer