Class 8 Mathematics - Half-Yearly Sample Paper

The product of two rational numbers is always a:

The sum of the interior angles of a quadrilateral is ____ degrees.

If 7x - 4 = 10, what is the value of x?

Find the square root of 225 by prime factorization method.

(-2) × (-2) × (-2) is equal to:

Selling an item for more than its cost price results in a ____.

What is the cube root of 64?

Simplify: (a + b)^2 - (a - b)^2

The formula for the area of a parallelogram is:

The reciprocal of a non-zero rational number x is ____.

If the price of an article is ₹200 and it is sold at a discount of 10%, find the discount amount.

The value of (2^0 + 3^0) × 4^0 is:

A shopkeeper buys an article for ₹3,000 and sells it for ₹3,600. Calculate the profit percentage. If he had given a 10% discount on the marked price and still made the same profit, what was the marked price?

The length and breadth of a rectangular field are in the ratio 3:2. If the area of the field is 2400 square meters, find the cost of fencing the field at the rate of ₹25 per meter.

If the sum of two numbers is 15 and one number is 7, the other number is ____.