In order to show that √7 is irrational by method of contradiction we assume that ..........

A hall is 5 m long, 4 m wide and 3 m high. What is the cost of white washing its walls and roof at a rate ₹25/m² and laying of marble floor at a made. (question text incomplete as printed)

The distance between the parallel lines 4x − 3y + 5 = 0 and 4x − 3y − 2 = 0 is

A park is 25 m long and 21 m wide. A 2 m wide path is to be laid in the middle of the park parallel to length and breadth. What is the cost of laying the path if it costs ₹ 20 per sqm.

n³ + 7n + 3 is divisible by k for all natural numbers n. Then k is ..........

16 persons can do a work in 10 days working 9 h a day. In how many days can 12 persons do the work while working 8 h a day?

Which of the following is not a statement?

A runs 10% slower than B and reaches the destination 25 m behind B. What is the distance they were to run?

The area of a triangle with vertices (0,0), (3,3) and (−3,3) is .........