Quantitative Aptitude - Arithmetic Ability Questions

28% of a number is 35. What is the number?

The lengths of the two diagonals of a rhombus are 8 cm and 15 cm respectively. Find its area (in cm²).

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

In the given series, how many 8s are there that are not divisible by the number to its left but completely divisible by the number to its right.

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The least number that must be substracted from 63520 to make the result a perfect square is

Triangle DEF is right angled at E. If cot D = 5/12, then what is the value of sin F?

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

When a number is increased by 42, it becomes 121% of itself. What is the number?