Quantitative Aptitude - Arithmetic Ability Questions

Divide 150 into two parts such that the sum of their reciprocals is 3/112. Calculate both the parts.

Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?

The difference between 44% of a number and 33% of the same number is 286. What is the 54% of that number?

The price of a product after getting 20% discount is Rs 3,024 which includes 5% tax on selling price. What was the marked price (in Rs) of the product?

If pq(p+q) = 1, then the value of 1p3q3-p3-q3 is equal to

The ratio of the ages of two boys is 3:4. After 3 years, the ratio will be 4:5.The ratio of their ages after 21 years will be

Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle?

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?