Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If there are four lines in a plane, then what cannot be the number of points of intersection of these lines?

A right circular cylinder has height as 18 cm and radius as 7 cm. The cylinder is cut in three equal parts (by 2 cuts parallel to base). What is the percentage increase in total surface area?

If a perfect square, not divisible by 6, be divided by 6, the remainder will be

When a number is divided by 63 the remainder is obtained as 26. What will be the remainder when the number is divided by 3?

A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to Rs 250 less than the sum lent. What was thesum lent (in Rs)?

O is the centre of the circle and ∠AOB = 150°, and the shaded portion is x part of the circular region, then x = ?

The mean of a distribution is 21 and the standard deviation is 7. What is the value of the coefficient variation?