IBPS Government Jobs Exams Numerical Ability Time and Work

If a group of 3 men can complete a work in 6 hours less than the time taken by a group of 2 women. Which of the following given ratio of their efficiency can give us the value of time in positive number. A) 6: 5 B) 2: 3 C) 5: 2 D) 8: 5
a) A only
b) A and B only
c) B C and A only
d) A C and D
e) B and D only

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IBPS Other Question
Two bags A and B contain different colours of balls. In bag A, there are 2 red balls, 3 green balls and 5 white balls while bag B contain 4 red balls, ‘x’ green balls and 3 white balls. If the probability of drawing one white ball from bag A is 1/6 more than the probability of drawing one red ball from bag B, then find the value of ‘x’. A) 4 B) 6 (C) 5 (D) 7 (E) None of these In a circle with centre O, AB is the diameter and CD is a chord such that ABCD is a trapezium. If angle BAC = 24 deg. then angle CAD =?