Quantitative Aptitude - Arithmetic Ability Questions

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

If a2+b2=80 and ab = 32, then calculate the value of a-b/a+b.

In a mixture, ink and water are in the ratio of 8 : 5. If 24 litres of water is added to the mixture, then the new ratio becomes 8 : 11. What is the total quantity (in litres) of water in the new mixture?

If a = 2 , b = ­3 then the value of 27a3 - 54a2b + 36ab2 - 8b3 is

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

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

The marked price of a calculator is Rs 750. It is sold at a discount of 22%. If the cost price of the calculator is Rs 500, then what is the profit (in Rs)?

In a class of 65 students there are 39 girls. The average weight of these girls is 60 Kg and average weight of the full class is 64 kgs. What is the average weight of the boys of the class?