Question

17)In a quiz, team A scored -50, 20, 0, 5 and team B scored 20, 0, -5, -40 in four successive
rounds. Which team scored more?
18) Siri reads a book for 2 ଷ
ସ
hours everyday. She reads the entire book in 6 days.

How many hours in all were required by her to read the book?

IV. Answer the following: 3X3=9M
19) Find the following product, using suitable properties and also mention the properties used.
26 × (-48) + (-48) × (-36)
20) Chitti finished colouring a picture in ଻
ଵଶ
hour. Nayanika finished colouring the same picture

in ଷ
ସ
hour. Who worked longer? By what fraction was it longer?
21) Multiply the following and reduce to lowest form and convert into a mixed fraction.
a) 4 ×
଻
ଵଶ
b)28 ×
ଽ
଼

V. Answer the following: 2X5=10M
22) In a class test (+3) marks are given for every correct answer and (-2) marks for every
incorrect answer and no marks for not attempting any question.
(a) Ayan scored 20 marks. If he has got 12 correct answers, how many questions has he
attempted incorrectly?
(b) Riyan scores -5 marks in this test, though he has got 7 correct answers.
How many questions has he attempted incorrectly?
23) (a) Siya bought 5kg 300g pineapples and 3kg 350g guavas. Diya bought 4kg 800g papayas
and 4kg 450g bananas. Who bought more fruits and by howmuch?
c)A car covers a distance of 25.2 km in one litre of diesel. How much distance will it cover
in 10 litres of diesel? (1 1⁄2 marks)

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Answer 1

Answer:

A carbon footprint is the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions. The average carbon footprint for a person in the United States is 16 tons, one of the highest rates in the world.

Step-by-step explanation:

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Answer 2

Answer:

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