Quantitative Aptitude - Arithmetic Ability Questions

If the profit is 20%, then what will be the ratio of cost price to selling price respectively?

The ratio of present ages of Anil and Aakash is 4 : 5. Three years later their ages will be in ratio 7 : 8. What is the present age (in years) of Anil?

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 10000 after 3 years at the same rate?

Which of the fractions given below is not equal to 4/11 ?

What is the value of cosec 5π/3?

What is the x-intercept of line joining (4, 2) and (6, 3)?

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

If x – 3 + [1/(x – 3)] = 4, what is the value of [(x – 3)3+ [1/(x – 3)3]?