1. The diagonals of a rhombus are 24 cm and 10 cm. Find the perimeter of rhombus.

2. In a population of 1000, 640 are male. Find the percentage of female.

3. Which of the following words cannot be formed from the letters of the given word?

T R E M E N D O U S

4. The ratio between two quantities is 7:9. If the first quantity is 511 then find the other quantity.

5. Identify the number using the given clues.

1.  I am an odd number

2. My tens digit is the greatest one digit number

3. My hundred digit is an even number

4. My thousand digit is the least odd number