Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (cot45 - √2) ?

72% of a number is 90. What is the number?

If the angles of a triangle are in the ratio of 2 : 3 : 7, then find the ratio of the greatest angle to the smallest angle.

What is the simplified value of 31253 + 4253 + 36753

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

A chord of length 60 cm is at a distance of 16 cm from the centre of a circle. What is the radius (in cm) of the circle?

Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?

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