Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letter/number pair from the given alternatives

Product of 6ab, 3b and 4a is

The value of ds+t÷ds÷dt

A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money ?

Mayank, Deepak and Pawan, each of them working alone can complete a work in 5, 10 and 15 days respectively. If all three of them work together to complete a work and earn Rs. 12000 what will be Deepak's share of the earnings?

The sum of the ages of husband and wife at present is 60. Four years ago the ratio of their ages was 7:6. What is the age of the husband?

If 2x+2x=3,then the value of x3+1x3+2 is

The length of the diagonal of a square is 10 cm. What is area of this square?