617+6.017+0.617+6.0017=?

Find the odd man out.

41, 43, 47, 53, 61, 71, 73, 81

How many times in a day are the hands of a clock in a straight line but opposite in direction?

Present ages of John and Dina are in the ratio 5:4 respectively.

Three years hence, the ratio of their ages will become 11:9 respectively. What is Dina's age in years?

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

Insert the missing number.

8, 7, 11, 12, 14, 17, 17, 22, (....)

X takes twice as much time as Y or thrice as much time as Z to finish a piece of work. Working together, they can finish the work in 2 days. Y can do the work alone in?

In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got was?

Which of the following fraction is the largest?

Given that 1. A is the brother of B

2. C is the father of A

3. D is the brother of E

4. E is the daughter of B

Then, the uncle of D is

A train 240 metres long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?