Question
A bag contains 5 green balls, 4 blue balls and 6 yellow
balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colour.Solution
Total number of balls in the bag = 5 + 4 + 6 = 15 Total possible outcomes = 15C2 = 105 Number of favourable outcomes = 5C2 + 4C2 + 6C2 = 10 + 6 + 15 = 31 Required probability = 31/105
Which of the following cups/trophies is NOT related to the Indian domestic cricket?
In each of the following questions, a word printed in Capital letters is followed by four numbered words or phrases. Choose the one, which is most nearl...
Which of the following is/are the aims of “Digital India” Plan of the Government of India?
1. Digital Infrastructure as a Core Utility to E...
Which scientific phenomenon is responsible for the southwest monsoon?
Skill Acquisition and Knowledge Awareness for Livelihood Promotion (SANKALP) is a skill development programme in India assisted by which of the following?
Election of Lok Sabha Speaker happens-
McMahon Line separates India and which of the following country?
What is the Bihar Literacy Rate at present?
The Indian scheme is credited with offering the first Blueprint -
Which organic compound has the structure R−COOH, with R referring to the alkyl, alkenyl, aryl, or other group?
