Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is

What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

If 2(3x + 5) > 4x -­ 5 < 3x + 2; then x can take which of the following values?

In the following question, select the odd word pair from the given alternatives.

ΔABC is similar to ΔPQR. Length of AB is 36 cm and length of the corresponding side PQ is 16 cm. If area of ΔABC is 1296 sq cm, what is the area of ΔPQR?

In a committee there are 25 members. If two members whose ages are 64 years and 40 years are replaced by the two new members, then average age of 25 members is decreased by 2 years. What is the average age (in years) of the new members?