Blog Tag Trignometry

The number 8,000 is first increased by 20% and then decreased by 20%. Find the resulting number.

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In an examination, a candidate secured 125 marks and failed by 15 marks. If the pass percentage was 35%; find the maximum marks.

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The cost of an article is first decrease by 25% and then decreased by 40%, find the percentage change in the cost of the article.

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The cost of an article is first increased by 20% and then decreased by 30%, find the percentage change in the cost of the article.

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Evaluate: 55% of 160 + 24% of 50 – 36% of 150

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Question: If 15 man can complete a piece of work in 30 days, in how many days will 18 men complete it?

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Question: Cost of 24 identical articles is Rs 108. Find the cost of 40 similar articles.

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Question: In order to complete a work in 28 days, 60 men are required. How many men will be required if the same work is to be complete in 40 days?

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Question: A fort had provisions for 450 soldiers for 40 days. After 10 days, 90 more soldiers come to the fort. Find for how many days will the remaining provisions last at the same rate.

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Question: 3/5 quintal of wheat costs Rs 210. Find the cost of (i) 1 quintal of wheat (ii) 0.4 quintal of wheat.

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Question: If 2/9 of a property costs Rs 2, 52, 000; find the cost of 4/7 of it.

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Question: 16 boys went to a canteen to have tea and snacks together. The bill amounted to Rs 114.40. What will be the contribution of a boy who pays for himself and 5 others?

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Question: 50 labourers can dig a pond in 16 days. How many labourers will be required to dig another pond, double in size, in 20 days?

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A man bought a certain number of oranges; out of which 13% were found rotten. He gave 75% of the remaining in charity and still has 522 oranges left. Find how many he had bought?

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In a combined test in English & physics; 36% candidate failed in English; 28% failed in physics & 12% in both; find i. The percentage of pass candidate ii. The total number of candidate appeared, if 208 candidates have failed.

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