Quantitative Aptitude - Arithmetic Ability Questions

Two numbers are 50% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

D and E are points on the sides AB and AC respectively of ΔABC such that DE is parallel to BC and AD:DB = 4:5, CD and BE intersect each other at F. Then the ratio of the areas of ΔDEF and ΔCBF

If 1/√(cosec2A - 1) = x, then value of x is

The value of ds+t÷ds÷dt

If P = 99, then the value of P(P2+ 3P + 3) is

If 13x2 = 172 - 92, find the value of x?

What is the remainder when 6729 is divided by 35?

The sum of the ages of father and son at present is 33. Two years ago the product of their ages was 28. What is the age of the father and the son?