Sol. The other number Product Given number (180) 12 15
EXERCISE (E)
1. The temperature of the fridge compartment of a refrigerator is set at 8°C The
freezer compartment is set at -10°C. What is the difference between these temperature
settings
2. A car moves 17 km north from a point A and then moves 14 km towards south along
the same road. If the distance towards north is represented by a positive integer,
then how will you represent the distance towards south. By which integer will you 152
represent its final position from A ?
8. The o.2
-2
3. Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second How many
seconds will she take to climb 60 stairs ?
A
Start with the integer - 8. Add -12 to it, subtract 10 from the result. Divide the result by 13 and multiply
the answer by-2. What do you get?
Amav had 20 with him. He spent 78 on Monday, got 5 as pocket money on Tuesday,
gave 7 loan to a friend on Wednesday, ate an icecream worth 10 on Thursday, received
a reward of 5 from his grandfather on Friday. How much does he have on Sunday, if his
friend repays the loan on Saturday?
b. A submarine left the surface of the water at the rate of 2 metres per second. At that rate,
how long would it take the submarine to reach 60 meters level.
Multiple Choice Questions (MCQs)
8. A hiker is descending 152 m every 8 minutes.
7. The deep freezer of a sweet shop should be set at
What will be hikers change in elevation in half
-12°C. It is set at 18°C by mistake. What is the
an hour ? Write as an integer
difference between these temperature settings?
(a) 4560 m
(b) 76 m 70
(a) 30°C
(b) 6°C
(C) 1.570 m
(d) 1216 m 3
(c) 6°C
(d) 30°C
60 m
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1 the difference between this answer is
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