Quantitative Aptitude - Arithmetic Ability Questions

The length of the diagonal of a square is 14 cm. What is area of this square?

The incomes of X and Y are in the ratio 5 : 6 and their expenditure are in the ratio 6 : 5. If X saves Rs 7000 and Y saves Rs 15000, then what will be the income (in Rs) of X?

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

What is the value of (-7776)25

The sum of the digits of a 2-digit number is 11. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

What is the value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?

Calculate the value of 0.77777 + 0.7777 + 0.777 + 0.77 + 0.7 + 0.07.

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