1. A man bought an article listed at Rs. 500 with a discount of 20% offered on the list price. What additional discount must be offered to man to bring the net price toRs. 1,104?

(a) 8%
(b) 10%
(c) 12%
(d) 15%

2. If a/b = c/d = e/f = 3, then 2a² + 3c² + 4e² / 2b² + 3d² + 4f² = ?

(a) 2
(b) 3
(c) 4
(d) 9

3. The floor of a room is of size 4m × 3m and its height is 3m. The walls and ceiling of the room require painting. The area to be painted is

(a) 66 m²
(b) 54 m²
(c) 43 m²
(d) 33 m²

4. When the price of an article was reduced by 20% its sale increased by 80%. What was the net effect on the sale?

(a) 44% increase
(b) 44% decrease
(c) 66% increase
(d) 66% decrease

5. The price of sugar goes up by 20%. If a housewife wants the expenses on sugar to remain the same, she should reduce the consumption by

(a) 76/5 %
(b) 41/3 %
(c) 20 %
(d) 25 %

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Answers:
1. (a) 2. (d) 3. (b) 4. (a) 5. (b)