Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is right angled at B. If m∠A = 45 deg, then find the value of (tanC + √3/2).

The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax­-8, then a is

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

Z’s present age is 55 years. If 11 years ago, C’s age was 1/11 of Z’s age, then after how many years C’s age will become 37 years?

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

Find the curved surface area (in cm2) of a right circular cylinder of diameter 28 cm and height 12 cm.

If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is

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