1. 
If the English alphabet is written in reverse order, what letter would you find 4 positions to the left of the 7th right position from letter M? 
2. 
The sum of x and 3x/4 is 14. Then 7x/4 is ____? 
3. 
Raja wrote an exam and got 32nd rank. Find the number of students who took part in the test if he ranks 243rd when seen from the bottom of the rank list? 
4. 
20 percent of a number is 1680. What would 45 percent of the number be? 
5. 
A rectangular room is such that it's length is twice it's width. Laying tiles in the room would cost Rs4200. Find the width of the room if the cost of tiling is Rs 120 per meter square. 
6. 
John appears for an exam in which he would get one mark if he gets the answer right and lose a mark if he answers wrong. There were 100 questions for the exam. Find the number of right answers he had if the final score John got was 30.

7. 
In the following expression,  represents *, + represents /, * represents + and / represents . Find the original value of the expression.
(360  2 * 20) + 7  50

8. 
In the following expression, * represents , / represents +, + represents * and  represents /. Find the original value of the expression.
420  2 * 20  2 / 50 + 10

9. 
Ramu incurs a loss of 4% when he sells a stereo for Rs1200. At what price should he sell it inorder to keep a profit of 20%? 
10. 
Vijay purchases the items he
sell for 80% of the selling price. What is his profit percentage? 
11. 
Complete the below series
9, 25, 49, 121, ___, ___
[Ans: squares of primes] 
12. 
Complete the below series
8, 64, ___, 512
[Ans: cubes of even numbers] 
13. 
Complete the below series
2, 6, 12, 20, __, 42
[Ans: cubes of number + same number] 
14. 
A train of 40m lenght covers a platform 200m long in 20 seconds. How will the train take to completely cross another train 30m long that moves in the same direction at 40kmph? 
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