A certain freezing process requires that the room temperature be lowered from $40ºC$ at the rate of $5ºC$ every hour. What will be the room temperature $10$ hours after the process begins?

In a class test containing $10$ questions, $3$ marks are awarded for every correct answer and $(-1)$ mark is for every incorrect answer and $0$ for questions not attempted.

Gopi gets $5$ correct and $5$ incorrect answers. What is his score?

In a class test containing $10$ questions, $3$ marks are awarded for every correct answer and $(-1)$ mark is for every incorrect answer and $0$ for questions not attempted.

Reshma gets $7$ correct answers and $3$ incorrect answers. What is her score?

In a class test containing $10$ questions, $3$ marks are awarded for every correct answer and $(-1)$ mark is for every incorrect answer and $0$ for questions not attempted.

Rashmi gets 3 correct and 4 incorrect answers out of seven questions she attempts.
What is her score?
 

A merchant on selling rice earns a profit of  $₹10$ per bag of basmati rice sold and a loss of $₹5$ per bag of non-basmati rice.

He sells $3000$ bags of basmati rice and $5000$ bags of non-basmati rice in a month. What is his profit or loss in a month?

A merchant on selling rice earns a profit of $₹10$ per bag of basmati rice sold and a loss of $₹5$ per bag of non-basmati rice.

What is the number of basmati rice bags he must sell to have neither profit nor loss, if the number of bags of non-basmati rice sold is $6400$.

$(–3)\times$_____$=27$

$5 \times$_____$=–35$