try this short mathematics quiz to test your smartness

Sample Questions for Mathematical Ability 1. Which number should come next in this series?
10, 17, 26, 37, ?
A. 46
B. 52
C. 50
D. 56
Correct answer: C. 50
Explanation: Beginning with 3, each number in the series is a square of the succeeding no. plus 1.
3^2 +1 = 10
4^2 +1 = 17
5^2 +1 = 26
6^2 +1 = 37
7^2 +1 = 50 (missing no.)

2. Which number should replace the question mark "?"
17 8 5 5
13 7 5 4
6 12 6 3
10 6 4 ?
A. 4
B. 5
C. 6
D. 7
Correct answer: A. 4
Explanation: For each row the sum of the first two columns is equal to the multiple of the last two columns

3. If 10 people can do a piece of work in 5 days, working 2 hours a day, how long will 2 people take to do the same work, working 5 hours a day?
A. 8
B. 5
C. 10
D. 12
Correct answer: C. 10
Explanation: People 1 / ( no. of days x time in hours)
Source:
http://www.iqtestexperts.com/maths-sample.php