1. Find the average of the following Set of Scores:
221, 231, 441, 359, 665, 525

2. If (78)2 is subtracted from the square of the number, the answer so obtained is 6,460. What is the number?

3. In an examination it is required to get 40% of the aggregate marks to pass. A student gets 261 marks and is declared failed by 4% marks. What are the maximum aggregate marks a student can get?

4. Pinku, Rinku and Tinku divide an amount of Rs 4,200 amongst themselves in the ratio of 7: 8: 6 respectively. If an amount of Rs 200 is added to each of their shares, what will be the new respective ratio of their shares of amount?

5. Ms Suchi deposits an amount of Rs 24,000 to obtain a simple interest at the rate of 14 % p.a. for 8 years. What total amount will Ms Suchi get at the end of 8 years?

6. The average of 5 consecutive even numbers A,B, C, D and E is
52. What is the product of B and E?

7. The difference between 42% of a number and
28% of the same number is 210. What is 59% of that
number?

8. What approximate value should come in place of the question mark (?) in the following question?
4275 ÷ 496 × (21)2 =?

9. A canteen requires 112 kgs of wheat for a week. How many kgs of wheat will it require for 69days?

10 . If an amount of Rs 41,910 is distributed equally amongst 22 persons. How much amount would each person get?