Quantitative Aptitude - Arithmetic Ability Questions

If Tan A = 15/8 and Tan B = 7/24, then Cos(A - B) = ?

The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?

A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?

If P + 1P+2 = 1, then the value of P+23+1P+23-3 ?

What will be the quotient when 2143 is divided by 38?

Rathin is now 16 years old while his cousin is 7 years. After how many years will Ratin's age be 1.5 times that of his cousin?

The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?