Quantitative Aptitude - Arithmetic Ability Questions

Divide Rs. 288 in the ratio 2 : 3 : 5 : 6. The rupees in the respective ratios are given by

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

All rational numbers are ____ numbers.

A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

A sum of money (P) doubles in 10 years. How much would it be in 20 years at the same rate of simple interest?