IBPS Government Jobs Exams Numerical Ability Probability

A bag contains 2 red balls, 3 green balls and 4 yellow balls. Three balls are drawn at random. Find the probability that all the balls are of same colour.
A) 1/14 B) 1/28 C) 5/84 D) 1/21

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IBPS Other Question

A shopkeeper sold an item at 20% profit and another item at 10% loss. If the cost price of both the items is same, find the overall profit percent. A) 7.55% B) 6% C) 5% D) 6.5% In a vessel, there is a mixture of apple, orange and mango juices in the ratio of 3:5:4 respectively. A quantity of 12 litres from the mixture is replaced by 8 litres of apple juice. Thereafter the quantities of apple and orange juices in the resultant mixture become same. Find out the initial quantity of mixture in the vessel.
(a) 76 litres (b) 65 litres (c) 60 litres (d) 80 litres