Quantitative Aptitude - Arithmetic Ability Questions

What is the value of tan4A + tan2A?

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?

Two numbers are in the ratio of 15 : 11. If their HCF is 13, then the greater number is?

The marked price of a helmet is 30% more than its cost price. If the helmet is sold for Rs 744 after a discount of Rs 36, then what will be the profit percentage?

The area of the largest triangle that can be inscribed in a semicircle of radius 6m is

The area of a circle is 616 sq cm, find its circumference?

If ab = 21 and a+b2a-b2 = 254,then the value of a2+b2+3ab

The value of 2 Tan53°Cot37°-Cot80°Tan10° ?