Quantitative Aptitude - Arithmetic Ability Questions

16/3 =

Find the Odd one out.

If x+1x:x-1x=5:3 then the value of x is

If a + b + c = 27, then what is the value of (a – 7)3 + (b – 9)3 + (c – 11)3 – 3(a – 7)(b – 9)(c – 11)?

If a - b = 10 and ab =-21, then what is the value of a3-b3 ?

A grocer had 1600 kgs of wheat. He sold a part of it at 20% profit and the rest at 12% profit, so that he made a total profit of 17%. How much wheat (in kg) did he sell at 20% profit?

Three boxes of capacity 24 kg, 36 kg and 84 kg are completely filled with three varieties of wheat A, B and C respectively. All the three boxes were emptied and the three types of wheat were thoroughly mixed and the mixture was put back in the three boxes. How many kg of type A wheat would be there in the third box (in kg)?

Slope of the side DA of the rectangle ABCD is 5/3. What is the slope of the side AB?