Q.1) A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

- 289
- 361.5
- 481.25
- 962.5

Q.2) After a discount of 34% an article is sold for Rs 3168. What is the marked price (in Rs) of the article?

- 4750
- 4800
- 4850
- 5000

Q.3) If (3/7) P = 4/11 Q then what is the ratio of P:Q

- 12 : 77
- 12 : 33
- 28 : 33
- 3 : 28

**Q.4)** The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?

- 39
- 78
- 117
- 156

**Q.5)** For an article the profit is 170% of the cost price. If the cost price increases by 20% but the selling price remains same, then what is the new profit percentage?

- 41
- 50
- 75
- 125

**Q.6)** 32% of a number exceeds 17% of the same number by 120. What is the value of the number?

- 900
- 860
- 940
- 800

**Q.7)** A boat goes 15 km upstream and 10(1/2) km downstream in 3 hours 15 minutes. It goes 12 km upstream and 14 km downstream in 3 hours. What is the speed of the boat in still water?

- 4
- 6
- 10
- 14

**Q.8)** A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to Rs 250 less than the sum lent. What was the sum lent (in Rs)?

- 1000
- 1500
- 2400
- 3000

**Q.9)** If X = (2+√3)/(2-√3) then find the value of X + (1/X):

- 14
- 8√3
- 0
- 18

**Q.10)** If X = 2+√3, then find the value of (√(2X)) + 1/(√(2X))

- 2√3
- 3√3
- (3√3+1)/2
- 2√3 + 1