Quantitative Aptitude - Arithmetic Ability Questions

Ramesh and Rahman can do a work in 20 and 25 days respectively. After doing collectively 10 days of work, they leave the work due to illness and Suresh completes rest of the work in 3 days. How many days Suresh alone can take to complete the whole work ?

What is the fourth proportional to 6, 24 and 83?

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

Select the odd number from the given alternatives.

If x+1x2 = 3, then the value of x3+1x3 is:

√(cosec2 -­ 1)/cosecA is equal to?

(45.004% of 1439.97 –15.99% of 2249.97) ÷ 35.98 = ?

Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is