1. A 4" cube is painted in all its faces and then it is cut down into 1" blocks. How many 1" blocks are there even without a single face being painted?

Answer : 8

2. A cubical rectangular bar has the dimensions with the ratio 5 : 4 : 3. Its volume is 7500. What is the surface area of the bar?

Answer : 2350

3. Excess-3 code of 6

Answer : 1001

4. If a square is formed by the diagonal of the square as an edge, what is the ratio between the area?

Answer : 2

5. A person starts walking at a speed of 5 km/hr through half the distance, rest of the distance he covers with a speed 4km/hr. Total time of travel is 9 hours. What is the maximum distance he can cover?

Answer : 40km

6. 16 grams of radioactive material decays into 8 grams in 10 years. How long will it take to decay to 1 gram?

Answer : 70 yrs

Which of the following is the correct spelling for the word

7. Coolly and Cooly

8. Tranquility or Tranquillity

9. Supercede and Supersede

10. Separate and Seperate

11. Indespensible and Indepensable

12. Superitendent and Superitendant

13. Ridiculous and Rediculous

14. Recommend and Reccomend

15. Despair and Dispair

16. Succeed and Suceed