Quantitative Aptitude - Arithmetic Ability Questions

Rearrange the jumbled up letters in their natural sequence and find the odd one out.

If 60/75 is equivalent to 4/x, then the value of x is

Find the total surface area (in cm2) of a cube of side 3.5 cm.

Which of the following pairs is NOT a pair of twin primes?

Vishnu spends Rs. 5000 in buying 12 tables and some chairs. The cost of one table is Rs. 50 and that of one chair is Rs. 40. What is the ratio of the numbers of tables purchased?

A cylindrical vessel of height 7 cm and radius 5 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 8 cm what will be the height of this cone?

ΔABC is right angled at B. BD is an altitude. DC = 9 cm and AC = 25 cm. What is the value of BC (in cm)?

The angle of elevation of an aeroplane as observed from a point 30 m above the transparent water-surface of a lake is 30° and the angle of depression of the image of the aeroplane in the water of the lake is 60°. The height of the aeroplane from the water-surface of the lake is