NCERT Solutions for Chapter: Integers, Exercise 3: EXERCISE 1.3

In a class test containing $10$ questions, $5$ marks are awarded for every correct answer and $(-2)$ marks are awarded for every incorrect answer and $0$ for questions not attempted. Reshma gets five correct answers and five incorrect answers, what is her score?
 

In a class test containing $10$ questions, $5$ marks are awarded for every correct answer and $(-2)$ marks are awarded for every incorrect answer and $0$ for questions not attempted. Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?

A cement company earns a profit of $₹8$ per bag of white cement sold and a loss of $₹5$ per bag of grey cement sold. The company sells $\mathrm{3,000}$ bags of white cement and $\mathrm{5,000}$ bags of grey cement in a month. If the total loss occurred after selling both the cement bags is $₹\mathrm{L}$, then find the value of $\mathrm{L}$?

A cement company earns a profit of $₹8$ per bag of white cement sold and a loss of $₹5$ per bag of grey cement sold. If the number of grey cement bags sold is $6,400$ bags, and if the number of white cement bags it must sell to have neither profit or loss is $\text{'}x\text{'}$ bags, then what is the value of $x$?

Replace the blank with an integer to make it a true statement.

$(-3)\times$ _____ $=27$

Replace the blank with an integer to make it a true statement.

$5\times$ _____ $=-35$

Replace the blank with an integer to make it a true statement.

_____ $\times (-8)=-56$

_____$\times (-12)=132$