Quantitative Aptitude - Arithmetic Ability Questions

If a-1a=1, then a2 + 1a2 ?

What is the third proportional to 10 and 25?

Find the odd word/letters/number from the given alternatives.

The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

Raghavendra sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 52 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.

Select the odd letters from the given alternatives.