are not allowed (A)/ to change to a different class (B)/ unless there is a special reason(C)/ students(D) 

The ratio of the number of girls to the number of boys in a town is 90 %. If the total number of boys and girls in the town is 190, how many girls are in the town? 

If a wire is bent into the shape of a square, the area of the square is 81 sq. cm. When the wire is bent into a semicircular shape, the area of the semicircle is 

Directions : Which of the phrases (A), (B), (C) and (D) given below should replace the phrase given in bold in the following sentence to make the sentence grammatically meaningful and correct. If the sentence is correct as it is and 'No correction is required', mark (E) as the answer.

Public health facilities are more scarce since patients have to wait for hours to see a doctor.

Study the following graph to answer these questions :
Percent profit earned by two companies A & B over the years.
Profit = Income – Expenditure

If the income of Company A in 1998 was Rs. 1,42,500 what was its expenditure in that year?

The birth date of Viaan is 9 March 2002. Find the day of the week of that day.