Quantitative Aptitude - Arithmetic Ability Questions

The LCM of 56, 84 and 112 is

If a sum of money deposited in a bank at simple interest is doubled in 6 years, then after 12 years, the amount will be

If A and B are the roots of the equation Ax2 – A2x + AB = 0, then what is the value of A and B respectively?

The sum of all prime numbers between 58 and 62 is

Present age of A is 2 times the present age of B. After 8 years the B's age will be 4 times of C's present age. If C celebrated his fifth birthday 9 years
ago, then what is the present age (in years) of A?

Select the odd letters from the given alternatives.

If the cost of 17 m of cloth is Rs. 77 5/7, find its cost per meter in Rs.?

If α and β are the roots of the equation x2+ x – 1 = 0, then what is the equation whose roots are α5 and β5?