Quantitative Aptitude - Arithmetic Ability Questions

Dodecahedron has 20 vertices. How many edges does it have?

Iftan 450=cot∅, then the value of ∅, in radians is 

Which of the following will yield a recurring decimal?

A man travelled at 40 kmph. Had he increased his speed by 16 kmph, he would have covered 80 km more in the same time. Find the actual distance travelled?

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

If 2x - 3 = 3x - 5, then the numerical value of (x - 3)2 is

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

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