Quantitative Aptitude - Arithmetic Ability Questions

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

If a + b + c = 9, ab + bc + ca = 26, a3 + b3 = 91, b3 + c3 = 72 and c3 + a3 = 35, then what is the value of abc?

What is the value of cos (90 – B) sin (C – A) + sin (90 + A) cos (B + C) – sin (90 – C) cos (A + B)?

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

Two trains, one 150 m long and the other 130m long, coming from opposite directions crosssed each other in 7.2 seconds. The sum of speed of the two trains every hour would then be

The reciprocal of the sum of the reciprocals of 3/8 and 8/11 is: