A wire when bent in the form of a square encloses an area of 121 $cm^2$. If the same wire is bent in the form of a circle, the area of the circle will be

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2 .

The graph shows the number of copies of three different novels Godan, MailaAnchal and Mahabhoj sold in various years from 2007 to 2010.

What is the ratio of the number of copies sold of Godan to that of MailaAnchal during the period 2008 to 2010?

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3 .

The graph shows the number of copies of three different novels Godan, MailaAnchal and Mahabhoj sold in various years from 2007 to 2010.

What is the total number of copies of MailaAnchal sold over the given period?

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4 .

The graph shows the number of copies of three different novels Godan, MailaAnchal and Mahabhoj sold in various years from 2007 to 2010.

Total sale of all the three novels in 2010 is what percentage less than the total sale of all the three novels in 2007?

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5 .

A's capital exceeds B's capital by $41 \over 100$ of B's capital. B invests his capital at compound interest for 3 years at 5% per annum. At what rate per cent per annum at simple interest must A invest his capital in order that at the end of 3 years, the two amount may be the same.

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6 .

The bacteria in a culture grows by 5% in the first hour, get destroyed by 5% in the second hour and again grows by 5% in the third hour. If the count of the bacteria at the end of the third hour is 8.3794 x $10^8$, find the original count of bacteria in the sample

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7 .

A person takes a boat from place A to place B and returns to A. Place A and B are 21 km apart and he takes 10 hours to go and return. The time taken by the boat to row 7 km downstream is equal to the time taken by the boat to row 3 km upstream, then what is the speed of the current?

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8 .

A trader sells two articles, one at a loss of 10% and another at a profit of 15%,but finally there is no loss or gain. If the total selling price of these two articles is ' 12,000. Find the difference between their cost prices

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9 .

When a train starts, there are 240 passengers. At the first station 12 passengers got down and 22 passengers got into the train. At the second station 20% of the passengers got down and at the third station 32 passengers get into the train and some passenger get down and now finally there are 85% passengers in the train. Find the number of passenger who got down at the third station.

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10 .

A man sells a bicycle at a gain of 10%. If he had bought it at 10% less and sold it for Rs.1331 less, he would have still gained 10%. Find the cost price of the bicycle

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