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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,935

1. The ratio 115:138 in its simplest form is:-

(a) 2:3 (b) 3:4 (c) 4:5 (d) 5:6

2. The ratio of zinc and copper in an alloy is 2:7. If the weight of copper in a sample of alloy is 10.5 grams, the amount of zinc is:-

(a) 3 grams (b) 7.5 grams (c) 36.75 grams (d) 2.33 grams

3. The ratio of boys and girls in a school is 14:5. If the number of girls is 1045, then the total strength of the school is:-

(a) 2926 (b) 3971 (c) 5225 (d) 3861

4. The sides of a triangle are in the ratio 3:2:5. If its perimeter is 80 centimeters, the length of the smalest side is:-

(a) 12 cm (b) 8 cm (c) 16 cm (d) 24 cm

5. The first, second and fourth terms of a proportion are 16, 24, and 54. The third term is

(a) 32 (b) 48 (c) 28 (d) 36

6. The mean proportional between 18 and 72 is:-

(a) 4 (b) 1/4 (c) 1296 (d) 36

7. 4% is equivalent to the fraction

(a) 1/4 (b) 4/1 (c) 1/25 (d) 2/5

8. What percent of of 7.2 kilograms is 18 grams?

(a) 25% (b) 2.5% (c) 250% (d) 0.25%

9. A man spends $1650 per month and saves 25% of his income. His monthly income is:-

(a) $2000 (b) $2200 (c) $2062.50 (d) $2360

10. 96% of the population of a village is 23040. The total population of the village is:-

(a) 24936 (b) 24000 (c) 25640 (d) 32256

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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