Manjunath S.C. and Eshwar Singh Solutions for Chapter: Quantitative Reasoning, Exercise 1: EXERCISE

Ayush was born two years after his father's marriage. His mother is five years younger than his father but $20 \mathrm{years}$ older than Ayush who is $10 \mathrm{years}$ old. At what age did the father get married?

In a family, a couple has a son and a daughter. The age of the father is three times that of his daughter and the age of the son is half of his mother. The wife is $9$ years younger to her husband and the brother is seven years older than his sister. What is the age of the mother?

A woman says, “If you reverse my own age, the figures represent my husband's age. He is, of course, senior to me and the difference between our ages is one-eleventh of their sum.” The woman's age is: 

In a group of $15$ people, $7$ read French, $8$ read English while $3$ of them read none of them. How many read French and English both?

Consider the Venn diagram given below:

The number in the Venn diagram indicates the number of persons reading the newspaper. The diagram is drawn after surveying $50$ persons. In a population of $10,000$, how many can be expected to read at least two newspapers?

The diagram given below shows the number of students who got distinction in three subjects out of $500$ students study the diagram carefully and answer the question that follows:

What is the percentage of students who got distinction in two subjects?

The diagram given below shows the number of students who got distinction in three subjects out of $500$ students study the diagram carefully and answer the question that follows: 

What is the percentage of students who got a distinction?

The diagram given below shows the number of students who got distinction in three subjects out of $500$ students study the diagram carefully and answer the question that follows:

The percentage of students with distinction marks in mathematics is?