Question

(vii) 9(-3) × (-6)
(viii) (-18) (-5) × (-4)
(ix) (-1)(-2) (-3) x 4
(x) (-3) * (-6) (-2) * (-1)
A certain freezing process requires that room temperature be lowered from 40°C at the
rate of 5°C every hour. What will be the room temperature 10 hours after the proces
begins?
In a class test containing 10 questions, '3' marks are awarded for every correct answe
and (-1) mark is for every incorrect answer and 'O' for questions not attempted.
(i) Gopi gets 5 correct and 5 incorrect answers. What is his score?
(ii) Reshma gets 7 correct answers and 3 incorrect answers. What is her score?
(ii) Rashmi gets 3 correct and 4 incorrect answers out of seven questions she attemp
What is her score?
A merchant on selling rice earns a profit of 10 per​

Answer 1

Answer:

uey३६+७३९°$°=$÷|=©℅=¢

Answer 2

Answer:

vii) 162

viii) -360

ix) -24

x) 36

2) -10°C

3)