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find the number of ordered pairs(a,b,c,d) such that abcd=10800?

tournament with 8 teams. Each team play with others one match each. Minimum match a team should win to qualify in top 4. Approach?

How to solve a circular arrangement questions

can help me reasoning

A shopkeeper sells two items at Rs 100 each. One was sold for a profit of 10% and another at a loss of 10%. What was the net profit or loss?

find the remainder when 28! is divided by 899?

find the number of ordered pairs(a,b,c,d) such that abcd=10800?

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if the ratio of boys and girls is 4:5,if 200 girls is taken out ratio becomes 6:7,find the no of girls??????

If there 1 paise,10 paise and 1 rupee coins.in how many ways can a person 175 paise?