Quantitative Aptitude - Arithmetic Ability Questions

Sum of a fraction and thrice its reciprocal is 31/6. What is the fraction?

The total cost of a microwave oven with mixer was Rs 36750. The mixer was sold at a profit of 32% and the microwave oven at a loss of 22%. If the sale price was the same in both the items, then the cost price of the cheaper item was _____.

If (x – y) = 7, then what is the value of (x – 15)3 – (y – 8)3?

If a - b = 2 and ab = 8, then what is the value of a3 - b3?

If (x + y):(x - y) = 11:1, find value of (5x + 3y)/(x - 2y).

By selling 175 pineapples, the gain is equal to the selling price of 50 pineapples. What is the gain percentage?

What is the value of 10% of 150% of 400?

A man travelled a distance of 50 km in 8 hours. He travelled partly on foot at 5 km/hr and partly on bicycle at 7 km/hr. What is the distance (in kms) travelled on foot?