Question
A mixture contains milk and water in the ratio 7:3. If
10 litres of the mixture contains 7 litres milk and 3 litres water, then in 50 litres of mixture, the quantity of water is:Solution
Milk : Water = 7 : 3 Total parts = 10 Water in 50 litres = 50 x 3/10 = 15 litres Answer: B. 15 litres
A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3
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If f(g(x))= x, where f and g are inverses of each other and f’(x) = 1/(1+x ² ), then g’(x) equals:
88.88% of 539.712 + 14.28% of 350.12 = ? + 20.18 * 9.91
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If (3/7) of 'x' is greater than (2/11) of 'x' by 38, then determine the value of 'x'.
P and Q together can complete a certain task in 45 days. P can finish the task alone in 75 days. How many days will it take for Q...
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