Quantitative Aptitude - Arithmetic Ability Questions

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

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?

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)?

If x + 1x = -2, then the value of x631 + 1x632?

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

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

Select the odd number from the given alternatives.