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<< Previous (46-90) (46) A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together ? (a) 3 days                 (b) 8/9 days                 (c) 4 days                 (d) can t say  (Ans. (b) (47) A car travels a certain distance taking 7 hrs in forward journey, during the return journey increased speed 12km/hr takes the times 5 hrs.What is the distancetravelled (a) 210 kms                 (b) 30 kms                 (c) 20 kms   ...

    Next (46-90) >> (1) In a class composed of x girls and y boys what part of the class is composed of girls A. y/(x + y)                B. x/xy                 C. x/(x + y)                D. y/xy  (Ans. C) (2) What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of cream(2 pt.=1 qt. and 4 qt.=1 gal) A.16                 B.24                C.30                 D.64  (Ans. D) (3) If the operation,^ is defined by the equation x ^ y = 2x + ...