Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions for Mathematics

A General wishes to draw up his 7500 soldiers in the form of a square. After arranging, he found out that some of them are left out. How many soldiers were left out?

Arpita’s present age is thrice of Shilpa. If Shilpa’s age three years ago was x. Then Arpita’s present age is ______.

The sum of three consecutive multiples of 7 is 357. Find the smallest multiple.

Three consecutive numbers whose sum is 12 are ______, ______ and ______.

After 18 years, Swarnim will be 4 times as old as he is now. His present age is ______.

The sum of two consecutive multiples of 10 is 210. The smaller multiple is ______.

3 years ago, the age of a boy was y years. His age 2 years ago was (y – 2) years.

Shikha’s present age is p years. Reemu’s present age is 4 times the present age of Shikha. After 5 years Reemu’s age will be 15p years.

Sum of the ages of Anju and her mother is 65 years. If Anju’s present age is y years then her mother’s age before 5 years is (60 – y) years.

The number of boys and girls in a class are in the ratio 5 : 4. If the number of boys is 9 more than the number of girls, then number of boys is 9.

If the sum of two consecutive numbers is 93 and one of them is x, then the other number is 93 – x.

Rs. 13500 are to be distributed among Salma, Kiran and Jenifer in such a way that Salma gets Rs. 1000 more than Kiran and Jenifer gets Rs. 500 more than Kiran. Find the money received by Jenifer.

Kaustubh had 60 flowers. He offered some flowers in a temple and found that the ratio of the number of remaining flowers to that of flowers in the beginning is 3:5. Find the number of flowers offered by him in the temple.

The sum of three consecutive even natural numbers is 48. Find the greatest of these numbers.

The sum of three consecutive odd natural numbers is 69. Find the prime number out of these numbers.

The sum of three consecutive numbers is 156. Find the number which is a multiple of 13 out of these numbers.

Two equal sides of a triangle are each 4 m less than three times the third side. Find the dimensions of the triangle, if its perimeter is 55 m.

Anima left one-half of her property to her daughter, one-third to her son and donated the rest to an educational institute. If the donation was worth Rs. 1,00,000, how much money did Anima have?

The sum of four consecutive integers is 266. What are the integers?

Hamid has three boxes of different fruits. Box A weighs `2 1/2` kg more than Box B and Box C weighs `10 1/4` kg more than Box B. The total weight of the three boxes is `48 3/4` kg. How many kilograms (kg) does Box A weigh?