Embibe Experts Solutions for Chapter: Arithmetical Reasoning, Exercise 1: Exercise 1

Robin says, "If Jai gives me $₹ 40$, he will have half as much as Atul, but if Atul gives me $₹ 40$, then the three of us will all have the same amount." What is the total amount of money that Robin, Jai, and Atul have among them?

Vijay is $8$ years younger than Amit. The sum of the current ages of Vijay and Amit is $42$ years. What is the current age of Vijay?

Tanya's grandfather was $8$ times older to her $16$ years ago. He would be $3$ times of her age $8$ years from now. What was ratio of ages of Tanya and her grandfather $8$ years ago.

A notebook costs $₹12$ each. A pen costs $₹ 9$ each. Tina spends $₹ 123$ on a total of $11$ pieces of these articles. How many notebooks did she purchase?

Aarav's mother was $3$ times as old as Aarav $5$ years ago. After $5$ years she will be twice as old as Aarav. How old is Aarav today?

An amount of $₹504$ is to be divided among three persons A, B and C in the ratio of $7 : 8 : 9$, respectively. How much amount will B and C receive in total?

There are $946$ teachers and students in a school. If there is on teacher for every $42$ students, then how many teachers are there in the school?

In a company there are $3$ departments - IT, HR and Help Desk. In the IT department there are $125$ employees and in the HR department the number of employees is ${\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$5$}\right.}^{th}$ of IT. The helpdesk department has $20$ employees less than total employees in IT and HR together. What is the total number of employees working in all three departments?