AFCAT || Numerical_Ability || Weekly_Revision_Quiz

Solve the in-equality

If 7^x+1-7^x-1=48, find x.

The average age of three girls is 36 years and their ages are in the proportion 4 : 6 : 8. The age of the youngest girl is -

When f(x) =12x³ - 15x² - 8x + 9 is divided by (4x - 5), then the remainder is

A man sold two articles at Rs. 395 each. On one, he gains 25% and on the other, he loses 25%. The gain or loss% on the whole transaction is

A train crosses a pole on a platform and 300m long platform in 10 seconds and 25 seconds respectively. What will be the time taken by the train to cross a 100m long platform?

The ratio of weekly income of P and Q is 7 : 5 and the ratio of their expenditures is 3 : 2. If each saves Rs. 225 per week, then the sum of their weekly income is –

If a = , b = then the value of is

A man walks from his house at an average speed of 6 km/hr. And reaches his office 5 minutes late. If he walks at an average speed of 7 km/hr. He reaches 1 minutes early. The distance of the office from the house is –

A train covers a distance of 30 km in 18 minutes. If its speed is decreased by 10 km/hr. , the time taken by it to cover the same distance is equal to –