Quantitative Aptitude - Arithmetic Ability Questions

Which one of the following is the minimum value of the sum of two integers whose product is 24?

A 150 m long train, travelling at 54 km/h, crosses a platform in 42 seconds. What is the length of the platform?

The ratio of present ages of Ranjini and Shahid is 5:4. After 13 years the ratio of their ages will be 6:5. What is Ranjini's present age?

The sum of thrice a number and twice its reciprocal is 97/4. What is the number?

What is the average of first 30 multiples of 9?

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

A sum becomes Rs 8800 in 4 years at simple interest at the yearly interest rate of 25% per annum. What is the sum (in Rs)?

If 3√2 + √18 + √50 = 15.55, then what is the value of √32 + √72?