Quantitative Aptitude - Arithmetic Ability Questions

The sum of two digits of a number is 10. If the digits are interchanged, then its value increases by 18. Find the number.

Which of the following numbers is composite?

Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls?

In the following question, select the odd letter/letters from the given alternatives.

In a class when a test is conducted, mean of 25 students marks is 60 if mean of first 13 students marks is 70 and mean of last 13 students marks is 50 find the marks of the middle student when arranged in the ascending order.

If the length of a chord of a circle is equal to that of the radius of the circle, then the angle subtended, in radians, at the centre of the circle by chord is

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

If a cone of radius 10.5 cm and height 12 cm is melted and constructed into a cylinder of the same radius, what will be the height of this cylinder?