A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively ?
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In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by: |
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In a family, the father took 1/5 of the cake and he had 4 times as much as others had, then the family members are: |
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The price of sugar is increased by 25%. In order not to increase the expenditure a lady must reduce her consumption by: |
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I read 3/8 of a book on one day, and 4/5 of the remainder on another day. If now there were 30 pages unread, the book contains: |
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In an examination, 70% of students passed in physics, 65% in chemistry, 27% failed in both subjects. The percentage of students who passed is: |
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An article was sold for Rs. 2770. Had it been sold for Rs. 3000 there would have been an additional gain of 10%. Cost Price of the article is: |
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Rakesh buys a scooter worth Rs. 10,000. He sells it to Mohan at a profit of 10%. If after sometime Mohan sells it back to Rakesh at a loss of 10%, then totally: |
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The list price of an electric iron is Rs. 300. If two successive discounts of 15% and 10% are allowed, its selling price will be: |
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The rate of compound interest at which a sum of Rs. 8000 amounts to Rs. 8820 in 2 years, is: |
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A car is 250 metres behind the bus. The car and bus are moving with speed 60 km/hr and 35 km/hr respectively. The car will be ahead of bus by 250 metres in: |
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