Subject Experts Solutions for Chapter: Algebra, Exercise 1: Exercise 1

Find the value of : $3n-m-p$ for $m=\left(-2\right),n=4,p=(-3)$

Ahmed starts from Delhi at $8 \mathrm{a}.\mathrm{m}.$ to Jaipur. If his car is running at the speed of $x \mathrm{km}/\mathrm{hr}$ and at $1 \mathrm{p}.\mathrm{m}.$ he observes that he is $20 \mathrm{km}$ away from Jaipur. Find the distance between Delhi and Jaipur.

A father is $8$ times as old as his son. Sum of their ages is $45$. Find the father's age.

One pencil costs $₹2$ and one fountain pen costs $₹15$. What is the cost of $\text{'}x\text{'}$ pencils and $\text{'}y\text{'}$ fountain pens?

Rohan spends $₹x$ daily and saves $₹y$ per week. What is his income of $3$ weeks ?

The age of Rahul’s mother is three times his age. His brother’s age is $4$ years more than his. What is the total age of all the three if Rahul is $x$ years old?

Sum of two consecutive even number is $242$. Find the numbers.

$7$ increased by one-fifth of a number is $12$. Write the equation and find the number.