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1. Transportation Problem
1.
Heuristic method-1
on 07.01.19
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Heuristic method-2
on 07.01.19
3.
Row minima method
on 24.12.18
4.
Column minima method
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5.
Russell's approximation method
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class and their frequency table
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less than or more than type cumulative frequency table
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8.
Ratio and Proportion
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Percentage
1. What is 20 % of 80 .
2. 42 is 3 % of what.
3. What percent of 65 is 130 .
4. 130 is what percent of 65 .
5. What is the percentage increase/decrease from 20 to 40 ?
6. A's annual income is increased/decreased from Rs 60000 to Rs 75000 . Find the percentage of increase in A's income.
7. In a school of 225 boys, 15 were absent then what percent were present ?
8. A earns 25 % more than B. By what percent does B earn less then A.
9. A reduction of 20 % in the price of basmati rice would enable a man to buy 2 kg of rice more for Rs 250 . Find the reduced pr ...
10. The price of tea has gone up by 20 %. By how much percent should its consumption be reduced so as not to increase the expendi ...
11. Find the selling price of an item, of which the printed price is Rs 25000 if the successive discounts given are 10 %, 8 % and ...
12. The successive discount of 10 % and 5 % are given on the purchased Computer. If the final price of the Computer is Rs 10260 , ...
Problem 9 of 12
9. A reduction of
% in the price of basmati rice would enable a man to buy
kg of rice more for Rs
. Find the reduced price per kg.
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Percentage
9. A reduction of 20 % in the price of basmati rice would enable a man to buy 2 kg of rice more for Rs 250 . Find the reduced price per kg.
A reduction of `20` % in the price of basmati rice would enable a man to buy `2` kg of rice more for Rs `250` .
`:.` Reduced price of `2` kg rice = `20` % of Rs `250 = 20 / 100 × 250 = 50`
`:.` Reduced price of `2` kg rice = Rs `50`
`:.` Reduced price of per kg rice = Rs `25`
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