Quantitative Aptitude - Arithmetic Ability Questions

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

The 3rd and 8th term of an arithmetic progression are -14 and 1 respectively. What is the 11th term?

If 3:27 :: 5:?

If two complementary angles are in the ratio of 2:3, find the ratio of square of smaller angle to square of greater angle.

What is the value of sin (–π/3) + cos(–π/6)?

The perimeter and the breadth of a rectangle are 82 cm and 20 cm respectively. Calculate the length of its diagonal (in cm).

Find the odd word/letters/numbers pair from the given alternatives.

30% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?