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What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
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A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had
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Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are
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A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?
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A student multiplied a number by `3/5` instead of `5/3`. Find the error percentage.
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Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.
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If 20% of a = b, then b% of 20 is the same as
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In a test, a candidate secured 336 marks out of maximum marks x. If the maximum marks x had been converted into 400 marks, he would have secured 192 marks. What was the maximum marks of the test?
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In a factory, 60% of the workers are above 30 yr and of these 75 % are males and the rest are females. If there are 1350 male workers above 30 yr, the total number of workers in the factory is
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Twelve percent of Kaushal's monthly salary is equal to sixteen percent of Nandini's monthly salary. Suresh's monthly salary is half that of Nandini's monthly salary. If Suresh's annual salary is ₹1.08 lakh, what is Kaushal' s monthly salary?
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A has some mangoes. He sold 40% more than he ate. If he sold 70 mangoes, how many did he eat?
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If each of the dimensions of a rectangle is increased by 200%, the area is increased by
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Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?
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The population of a city is 2,96,000 out which 1,66,000 are males. 50% population is literate. If 70% males are literate, then the number of women who are literate is
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A retailer offers the following discount schemes for buyers on articles
- Two successive discounts of 10%
- A discount of 12% followed by a discount of 8%
- Successive discounts of 15% and 5%.
- A discount of 20%.
The selling price will be minimum under the scheme
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Arun can climb a Coconut tree by 1.5 feet by each lift; however, he slips 0.5 feet every time he makes the next lift. How many individual lifts he will have to reach the top of the Coconut tree of 18.5 feet?
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A tank is connected to three pipes – Pipe A, B, and C. Pipe A can fill the tank in 6 hours, B can fill the tank in 8 hours and Pipe C can empty the full tank in 12 hours. How much time will it take to fill the tank completely if all three pipes are working together?
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‘A’ and ‘B’ complete a work in 12 days, ‘B’ and ‘C’ in 8 days and ‘C’ and ‘A’ in 16 days. ‘A’ left after working for 3 days. In how many days more will ‘B’ and ‘C’ finish the remaining work?
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A can do a piece of work in 8 days and B alone can do the same work in 10 days. A and B agreed to do the work together for Rs. 720. With the help of C, they finished the work in 4 days. How much C is to be paid?
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Two men and seven boys can do work in 14 days. Three men and eight boys can do the same work in 11 days. Further, eight men and six boys can do three times the amount of this work in:
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