Quantitative Aptitude - Arithmetic Ability Questions

If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent?

Shivam is 10% less efficient than Vivek. If Vivek can make a helmet in 9 days, then in how many days Shivam can complete the same work?

If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?

In ∆ABC, ∡A + ∡B = 75 and ∡B + ∡C = 140, then ∡B =

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

Rakshanth is twice as good as tradesman as Verma and together they finish a piece of work in 19 days. In how many dayswill Verma alone finish the work?

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48° . The average temperature for Tuesday, Wednesday, Thursday and Friday was 52°, If the temperature on Monday was 42°, then the temperature on Friday was (in degrees)

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?