MEDIUM
SSC CGL Tier 1
IMPORTANT
Earn 100

In a class there are 26 boys and 15 girls. The teacher wants to select a boy or a girl to represent a quiz competition. In how many ways can the teacher make this selection?

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Important Questions on Arithmetic

EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 1
In a simultaneous throw of two dice, what is the probability of getting a total of 10 or 11?
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 2
Three coins are tossed .Find the probability of at least 2 heads.
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 3
Study the following information to answer the questions given below.

In a box there are 4 blue, 4 red, 4 white and 4 black balls. Four balls are picked up randomly, what is the probability of the following event to occur?

All the four balls are blue.
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 4
If three coins are tossed simultaneously, find the probability that it will give exactly two heads.
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 5
If seven coins are tossed simultaneously, find the probability that there will be at least six tails.
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 6
We throw a fair coin five times. What is the probability of getting three heads and two tails?
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 7
A bag contains 10 red balls and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.
EASY
SSC CGL Tier 1
IMPORTANT
Embibe Quantitative Aptitude>Chapter 1 - Arithmetic>Exercise 18>Q 8
Study the following information carefully to answer the questions that follow-

A box contains 3 blue, 5 black, and 3 yellow caps. If 2 caps are drawn at random, what is the probability that one is black and one is yellow?