Q. Sum of the present ages of A, B, C and D is 76 years. After 7 years ratio of their ages is 7: 6: 5: 8. What is C’s present age?
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Q. A mixture of milk and water in a jar contains 28 L milk and 8 L water. X L milk and X L water are mixed to form a mixture. If 40% of the new mixture is 20 L, then find the value of X.
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Q. A alone can do a work in 24 days. Time taken by A in completing 1/3 of work is equal to the time taken by B in completing 1/2 of the work. In what time A and B together will complete the work?
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Q. The ten’s digit of a three digit number is 3. If the digits of x are interchanged and the number thus formed is 396 more than the previous one. The sum of unit digit and hundred digit is 14, then what is the number?
Solution:
Q. The ratio of cost price to the selling price of an article is
Q. Ramesh has 20% savings with him from his monthly salary. If expenditure on clothing is 25% of overall expenditure and his total expenditure except clothing is 3600 then find his saving. Solution:
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Q. Sum of the length of two trains A and B is 660. The ratio of the speeds of A and B is 5: 8. Ratio between time to cross an electric pole by A and B is 4 : 3. Find the difference in the length of two trains.
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Q. A mixture of milk and water in a jar contains 28 L milk and 8 L water. X L milk and X L water are mixed to form a mixture. If 40% of the new mixture is 20 L, then find the value of X.
Solution:
Q. A alone can do a work in 24 days. Time taken by A in completing 1/3 of work is equal to the time taken by B in completing 1/2 of the work. In what time A and B together will complete the work?
Solution:
Q. Marked price of A is Rs. 1600 more than its cost price. When discount on A is 500 a profit of 25% is obtained. At what price should A be sold to obtain a 30% profit.
Solution:
Q. The ten’s digit of a three digit number is 3. If the digits of x are interchanged and the number thus formed is 396 more than the previous one. The sum of unit digit and hundred digit is 14, then what is the number?
Solution:
Q. S1 is a series of 4 consecutive even numbers. If the sum of reciprocal of first two numbers of S1 is 11/60, then what is the reciprocal of third highest number of S1? Solution:
Q. A, B and C invested in a business in the ratio 6: 8: 9. If B invested for a period whose numerical value is 112.5% of B’s investment but A and C invested for one year. If profit of B at the end of the year is 16750 then what is the share of profit of C?
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Q. A boat covers 18 km downstream in 3 hours. If speed of current is 33.33% of its downstream speed. In what time will it cover a distance of 100 km upstream? Solution:
5: 6. If 20% discount is offered on marked price of the article then marked price is what percent more than cost price?
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