Quantitative Aptitude - Arithmetic Ability Questions

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

At 13% discount the selling price of a oven is Rs 18000, what is the selling price if the discount is 27.5%?

If A is 40% more than B, then B is how much percent less than A?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

(184.002 - 29 ÷ 5) × 29.997 = ?

If the simple interest on Rs. 400 for 10 years is Rs. 280, then rate of interest per annum is

When a number is increased by 105, it becomes 135% of itself. What is the number?

Find the odd word/letters/number pair from the given alternatives.
(A) 52­61 (B) 43­54 (C ) 72­83 (D) 18­29

If a - b = 4 and ab = -3, then what is the value of a3- b3?