In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I had invited(A)/all my sister-­in-­laws(B)/to my son's birthday party.(C)/No error(D)

Rearrange the parts of the sentence in correct order.

The first clue

P - ­to the nature of this agenda
Q­ - lies in the origin of
R­ - the smart city idea itself

Improve the bracketed part of the sentence.

If I (have had) money, I would have bought this car.

Select the synonym of

spine

Refer the below data and answer the question.

Raw materials and Taxes are what percent of total expenses?

Refer the below data and answer the question.

How many cars were manufactured in the month of April and May?

A solid has 12 vertices and 30 edges. How many faces does it have?

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)