Quantitative Aptitude - Arithmetic Ability Questions

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

What is the third proportional to 10 and 20?

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

A number exceeds its 1/6 by 30. What is the number?

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

 In the following question, select the odd letter/letters from the given alternatives.

R and S started a business by investing Rs 165000 and Rs 195000 respectively for the same period of time. If R’s share in the profit earned by them is Rs 11000, then what is the total profit (in Rs) earned by both of them together?