Quantitative Aptitude - Arithmetic Ability Questions

How many three digit numbers are there in which all the digits are odd?

The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observations is

Simplify 486b3x2a4z3/27a3b2z

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

Rs. 3105 is due to be divided among K, L and M in the proportion of 2/3 : 3/4 : 1/2 respectively. How much will L get?

If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?

The LCM of 56, 84 and 112 is

You have 20 big and 16 small diaries and want to make gift packs containing both in each pack. What is the maximum number of gift packs you can make without any left over?