Quantitative Aptitude questions for SSC CGL

If the number of eight digits is 789x531y, the number is divisible by 72, then the value of (5x – 3y) will be:

What should replace * in the number 94 × 2357, so that number is divisible by 11 ?

If (x + 6y) = 8, and xy = 2, where x > 0, what is the value of (x³ + 216y³)?

If x + y + 3 = 0, then find the value of x³ + y³ – 9xy + 9.

The HCF of two numbers is 12. Which one of the following can never be their LCM?

Which of the following numbers is a divisor of (49¹⁵ – 1)?

If (a + b + c) = 14, and (a³ + b³ + c³ –3abc) = 98, find the value of (a² + b² + c²)

Benny can do a piece of work in 24 days. Chethan and David can do the same work individually in 36 and 48 days, respectively. All of them begin the work together. However, Benny leaves the work 4 days before the completion of work and Chethan leaves the work 10 days before the completion of the work. David worked till the end and completed the work. Find the number of days in which the work was completed.