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Time taken by A, B and C together to complete the whole work = 26.4/0.80 = 33 days Let total amount of work = 15312 (LCM of 48, 58 and 33) Efficiency of (A + B) = 15312/48 = 319 units per day Efficiency of (B + C) = 15312/58 = 264 units per day Efficiency of (A + B + C) = 15312/33 = 464 units per day Efficiency of A = 464 – 264 = 200 units per day Efficiency of C = 464 – 319 = 145 units per day Desired time = 15312/345 = 44.4 days = 44 days
The average of 20 numbers is calculated as 35. However, it was later discovered that one of the numbers was mistakenly recorded as 28 instead of 82. Wha...
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The mode and the mean of grouped data are 25 and 29.5 respectively. Find the median, correct to two places of decimal, using empirical relation.
A shopkeeper sells a product for ₹720 at a profit of 20%. What was the cost price of the product?
The arithmetic mean and geometric mean of two numbers are 7 and 2√10 respectively, then find the numbers.
Find the mode for the given distribution.
(rounded off to two decimal places).
The areas of three adjacent faces of a cuboid are 32 cm2,24cm2 and 48cm2.Find the volume of cuboid.(in cm) 3
The marks obtained by 15 students out of a maximum of 25 in a test are given as 13, 11, 16, 15, 18, 12, 13, 14, 10, 22, 21, 20, 17, and 24. Find the sum...
what is the mean of given numbers 25, 15, 12, 23, 15,
The sum of total surface area of two cubes is 1248-centimeter square. If the product of the length of their edges is 96 centimeter square. Find the diff...
