Quantitative Aptitude - Arithmetic Ability Questions

56/32 simplified value?

If a-1a=7,then a2+1a2=?

80 litre mixture of milk and water contains 10% milk. How much milk (in litres) must be added to make water percentage in the mixture as 80%?

A does 60% of a work in 15 days. He then calls B, and they together finish the remaining work in 5 days. How long B alone would take to do the whole work?

The age of Ravi is twice the age of Prakash and three times the age of Kumar. If the age of Prakash is 24 years, then what will be the age of Kumar after 4 years ?

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

In the following question, select the odd number from the given alternatives.

If cosec ­4π/3 = x, then the value of x is