Quantitative Aptitude - Arithmetic Ability Questions

The bus fare between two cities is increased in the ratio 25:29. Find the increase in the fare, if the original fare is Rs. 625

Coefficient of x2 in 4x3 - 2x2 + 2x -­ 3 are

What is the value of z2+1z2 when z = 5+26 ?

What is the value of Cot 45° - (1/√3)Cosec 60°?

If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of x + y + z – 5?

When a discount of 25% is given on a box of popcorn, the profit is 25%. If the discount is 10%, then the profit is

A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?

The value of cos220° + cos270°is