Quantitative Aptitude - Arithmetic Ability Questions

If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

The sum of all prime numbers between 18 and 32 is:

The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

The volume of a cube is 166.375 cm3. Find its side (in cm).

Divide Rs. 368 in the ratio 1:5:8:9. The rupees in the respective ratios are given by

46% of 250 is equal to