1 .
In a 400 ml mixture of water and milk the quantity of water is 70%. How much milk must be added to the mixture so that the quantities of milk and water in the mixture become equal?
A.  120 ml
B.  130 ml
C.  150 ml
D.  160 ml
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2 .
Fresh fruits contain 70% water in them whereas dry fruits contain 25% water. Find the quantity of dry fruits that can be obtained from 100 kg fresh fruits.
A.  48 kg
B.  40 kg
C.  32 kg
D.  38 kg.
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3 .
If the cost price of 15 articles is equal to the selling price of 12 articles, the profit percentage is
A.  25%
B.  20%
C.  18%
D.  15%
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4 .
The average of 15 numbers is 40. The average of first eight numbers is 30. If the average of last eight numbers is 50, then the eighth number is
A.  35
B.  40
C.  45
D.  50
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5 .
An item priced at Rs. 300 is sold at 10% gain. If the selling price is reduced by 15%, what will be the gain or loss per cent?
A.  5.5% loss
B.  6.5% profit
C.  6.5% loss
D.  7% loss
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6 .
The ratio of three numbers is 2 : 3 : 5 and their product is 10290. Find all the numbers
A.  10, 15, 25
B.  12, 18, 30
C.  16, 25, 40
D.  14, 21, 35
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7 .
A shopkeeper allows a discount of 10% on the marked price. By what per cent above the cost price must he mark his goods to gain 8%?
A.  20%
B.  22%
C.  24%
D.  25%
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8 .
A sum of money lent at compound interest for 2 years at 20% per annum would fetch Rs. 482 more, if the interest was payable half-yearly rather than annually. The sum is
A.  20000 Rs
B.  25000 Rs
C.  28000 Rs
D.  37000 Rs.
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9 .
A sells an article to B for Rs. 45000 at a loss of 10% in the transaction. B sells it to C at a price which gives a profit of 10% to A. By what per cent does B gain?
A.  $100 \over 7$ %
B.  $200 \over 9$ %
C.  $100 \over 3$ %
D.  $150 \over 11$ %
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10 .
A man can row against a current three-fourths of a kilometre in 15 minutes and returns the same distance in 10 minutes. The ratio of his speed to that of the current is
A.  1 : 5
B.  2 : 5
C.  5 : 1
D.  4 : 3
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