Mathematics Quiz for Class 8

The product of a monomial and a binomial is a

• Monomial

• Binomial

• Trinomial

• None of These

The ratio 4:5 is equivalent to

• 80%

• 60%

• 40%

• 20%

The tax charged by the government on the sale of an item and added to the bill amount is called

• Sales Tax

• Value Added Tax

• Goods and Services Tax

• None of These

If we subtract -3x²y² from x²y², then we get

• -4x²y²

• -2x²y²

• 2x²y²

• 4x²y²

Volume of a rectangular box with l = b = h = 2x is

• 2x

• 8x

• 8x³

• 2x³

Area of a rhombus = half × product of

• Diagonals

• Sides

• Heights

• Widths

The interest calculated on the previous year’s amount is called

• Simple Interest

• Compound Interest

• Both of these

• None of these

Product of 6a² - 7b + 5ab and 2ab is

• 12a³b

• 12a³b - 14ab² + 10a²b²

• 7ab

• 12a³b - 14ab²

The reduction given on cost price of an article is called

• Sales Price

• Cost

• Discount

• Tax

(a + b) (a – b) =

• a² + b²

• a² - b²

• (a + b)²

• (a - b)²