Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letters/number pair pair from the given alternatives.

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

Which of the following is the largest number among 2, 33, 4, 53

The fraction from the ones listed below that will NOT lead to a recurring decimal is

The simplified form of (x + 3)2 + (x - 1)2 is

If the sum of squares of three consecutive natural number is 2702. Then, what will be the middle number?

In an alloy, aluminium and tin are in the ratio of 4 : 5. In the second alloy, the ratio of same elements is 4 : 7. If equal quantities of these two alloys be mixed to form a new alloy, then what will be the ratio of both of these elements in the new alloy?

The average weight of P, Q and R is 71 kg. If the average weight of P and Q be 66 kg and that of Q and R be 76.5 kg, then the weight (in kg) of Q is.