Quantitative Aptitude - Arithmetic Ability Questions

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age of the teachers in the school now is (in years)

If after giving a discount of 18%, a book is sold for Rs 1599, then what will be the marked price (in Rs) of the book?

Find the least number which must be subtracted from 18265 to make it a perfect square

What is the value of (cosecA - cotA) / (secA + tanA)?

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

What is the area (in sq cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm?