Quantitative Aptitude - Arithmetic Ability Questions

Average age of a team having 12 players is 23 years. If the age of the coach is also included, then the average age increases by 2 years. What is the age (inyears) of the coach?

The average height of 40 sticks is 154 cm. Some sticks of average height 160 cm are taken out. If the new average height is 150 cm, then how many sticks are remaining?

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

G is the centroid of ΔABC. If AG = BC, then measure of ∠BGC is

Kiran swims in a 90 m long pool. He covers 360 m in two minutes by swimming from one end to the other and back 0 along the same straight path, twice. Find the average speed of Kiran.

Reduce 3596 / 4292 to lowest terms.

What is the simplified value of Sec ACot A + Tan A2 ?

A bag has Rs12.9 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 3:2:3. How many 50 paise coins are there in the bag?