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

If x and y are two rational numbers such that x > y, then x – y is always a positive rational number.

`2/5` of total number of students of a school come by car while `1/4` of students come by bus to school. All the other students walk to school of which `1/3` walk on their own and the rest are escorted by their parents. If 224 students come to school walking on their own, how many students study in that school?

A mother and her two daughters got a room constructed for Rs. 62,000. The elder daughter contributes `3/8` of her mother’s contribution while the younger daughter contributes `1/2` of her mother’s share. How much do the three contribute individually?

The product of two rational numbers is `(-14)/27`. If one of the numbers be `7/9`, find the other.

The product of two rational numbers is –7. If one of the number is –5, find the other?

Find five rational numbers between 0 and 1.

Find two rational numbers whose absolute value is `1/5`.

Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each.

How farther did Soni hop than Nancy?

Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each.

1. How farther did Soni hop than Nancy?
2. What is the total distance covered by Seema and Megha?
3. Who walked farther, Nancy or Megha?

The table given below shows the distances, in kilometres, between four villages of a state. To find the distance between two villages, locate the square where the row for one village and the column for the other village intersect.

Compare the distance between Himgaon and Rawalpur to Sonapur and Ramgarh?

The table given below shows the distances, in kilometres, between four villages of a state. To find the distance between two villages, locate the square where the row for one village and the column for the other village intersect.

If you drove from Himgaon to Sonapur and then from Sonapur to Rawalpur, how far would you drive?

The digit in the tens place of a two-digit number is 3 more than the digit in the units place. Let the digit at units place be b. Then the number is ______.

In a 2 digit number, the units place digit is x. If the sum of digits be 9, then the number is (10x – 9).

A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence, the ages of A and B five years back would be (x – 5) years and (85 – x) years respectively.

Sum of the digits of a two-digit number is 11. The given number is less than the number obtained by interchanging the digits by 9. Find the number.

After 12 years, Kanwar shall be 3 times as old as he was 4 years ago. Find his present age.

In a two-digit number, digit in units place is twice the digit in tens place. If 27 is added to it, digits are reversed. Find the number.

For which of the following, diagonals bisect each other?

For which of the following figures, diagonals are perpendicular to each other?

Which of the following figures satisfy the following property?

- Has two pairs of congruent adjacent sides.