Quantitative Aptitude - Arithmetic Ability Questions

The length, breadth and height of a cuboid are 10 cm, 6 cm and 4 cm respectively. What is the total surface area?

Amit is five years older than Vaibhav at present. After four years the ratio of their age will be 5:4. What is Amit age at present (in years)?

Average age of 5 students of a school is 14 years. The average age of students and their Mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of Mathematics teacher, then what is the age (in years) of Mathematics teacher?

When n is divided by 4, the remainder is 3. The remainder when 2n is divided by 4 is:

23 x 31 = 713. How much is 0.0713 / 3.1?

A number is greater than twice its reciprocal by 31/4. Find the number.

A sum of Rs 8000 is borrowed at compound interest at the rate of 7% per annum. What will be the amount (in Rs) after 2 years?

An angle in a semicircle is