A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion of 6:7:8:9:10. In all papers together, the candidate obtained 60% of the total marks then, the number of papers in which he got more than 50% marks is
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1
Discuss

The rate of increase of the price of sugar is observed to be two percent more than the inflation rate expressed in percentage. The price of sugar, on January 1, 1994 is Rs. 20 per kg. The inflation rates of the years 1994 and 1995 are expected to be 8% each. The expected price of sugar on January 1, 1996 would be
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2
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If salary of X is 20% more than salary of Y, then by how much percentage is salary of Y less than X?
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3
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The cost of an article was Rs.75. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the article is:
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4
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The price of rice falls by 20%. How much rice can be bought now with the money that was sufficient to buy 20 kg of rice previously?
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5
Discuss

The difference between a number and its twofifth is 510. What is 10% of that number ?
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6
Discuss

Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?
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7
Discuss

What percent is 3% of 5% ?
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8
Discuss

The population of a town increases every year by 4%. If its present population is 50,000, then after 2 years it will be
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9
Discuss

the digit at unit place of a twodigit number is increased by 100% and the digit at ten places of the same number is incresed by 50% the new number thus formed is 19 more then the original number. what is the original number?
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10
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(X% of Y) + (Y% of X) is equal to:
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