Quantitative Aptitude - Arithmetic Ability Questions

An angle in a semicircle is

Amit is five years older than Vaibhav at present. After four years the ratio of their age will be 5:4. What is Amit age at present (in years)?

Find the fraction which is as much greater than 4/7 as it is less than 5/6

If the number x4441 is divisible by 11, what is the face value of x?

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the tower was 45 m high, how far away from the tower was the platform positioned?

A number is greater than twice its reciprocal by 31/4. Find the number.

Compute : (50 + 0.5 x 20) / 0.7

Find out the odd word/letters/number/number pair from the given alternatives.