Quantitative Aptitude - Arithmetic Ability Questions

Determine the value of y-1y2 when y4+1y4=34

In the following question, select the odd word from the given alternatives.

If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

A regular square pyramid has side of its base 20 cm and height 45 cm is melted and recast into regular triangular pyramids of equilateral base of side 10 cm and height 10√3 cm. What are the total numbers of regular triangular pyramid?

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is

One of the two inlet pipes works twice as efficiently as the other. The two, working alongside a drain pipe that can empty a cistern all by itself in 8 hours, can fill the empty cistern in 8 hours. How many hours will the less efficient inlet pipe take to fill the empty cistern by itself?