A certain sum amounts to Rs 7350 in 2 years and to Rs 8575 in 3 years. Find the rate of compound interest :
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Solution
Rate = %
10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
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Solution
10w × 7 = 10 c × 14
∴ 5 women + 10 children = 5w + 5w = 10w
∴ 10 women complete the same work in 7 days
A and B started a partnership business investing some amount in the ratio of 3 : 5. C joined them after six months with an amount equal to that of B. In what proportion should the profit at the end of one year be distributed among A, B and C ?
P and Q started a business investing Rs. 85000 and Rs. 80000 respectively. In what ratio the profit earned after 1 year be divided between Q and P respectively?
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Solution
Q : P
80000 : 85000
16 : 17
∴ Ratio = 16 : 17
If a : b = 5 : 9 and b : c = 4 : 7 then find a : b : c –
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Solution
∴ a : b : c = 20 : 36 : 63
A man buys a cycle for Rs. 1400 and sells it at a loss of 15% what is the selling price of the cycle?
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Solution
Selling Price = = Rs. 1190
The difference between the selling price and cost price of an article is Rs. 252. If the profit is 36%. then the selling price of the article is-
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Solution
Selling price =
What will be the remainder when (817 + 5) is divided by 7?
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Solution
remainder =
The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find the average for last four matches:
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Solution
Required average =
If x47 + = 2 then find the value of x47 – :
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Solution
Put x = 1