Quantitative Aptitude - Arithmetic Ability Questions

Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?

If a triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?

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

If 4r = h + r2+h2 then r: h = ? (r not equal to 0)

Select the odd word from the given alternatives.

Two numbers are 40% and 50% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

What is the value of sec -2π/3 ?

Given: 2x - 4 ≤ 2 - x/3 and 2(2x + 5) > 3x - 5, then x can take which of the following values?