The curved surface area of a cylinder is five times the area of its base. Find the ratio of radius and height of the cylinder.

Identify the segment in the sentence which contains a grammatical error.

There was enough evidence to convict him on selling of fake medicines.

Select the correct direct form of the given sentence.

He asked me if I would like to learn French.

The interior angle of a regular polygon exceeds its exterior angle by $$90^0$$. The number of sides of the polygon is:

Select the most appropriate synonym of the given word.

EFFICIENCY

The sum of length, breadth and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find the total surface area of cuboid.

Select the correct indirect form of the given sentence.

She said to me, “Have you ever flown a kite?”

Given below are four sentences in jumbled order. Pick the option that gives their correct order.

A. Although Sonu had many more that he wanted to ask, he realised mummy was tired and became silent.

B. She answered a few and then stopped.

C. When mummy returned from work, she took Sonu for a walk.

D. But she was too tired to answer all his questions.