Class VII Maths

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Class VII Maths

Source: NCERT Text Book

In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers. If Jack’s scores in five successive rounds were 25, – 5, – 10,15 and 10, what was his total at the end?In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers. If Jack’s scores in five successive rounds were 25, – 5, – 10,15 and 10, what was his total at the end?

1 point

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A plane is flying at the height of 5000 m above the sea level. At a particular point, it is exactly above a submarine floating 1200 m below the sea level. What is the vertical distance between them?

1 point

3800 m

6200 m

4800 m

3600 m

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Mohan deposits Rs. 2,000 in his bank account and withdraws Rs. 1,642 from it, the next day. Find the balance in Mohan’s account after the withdrawal.

1 point

Rs.356

Rs.358

Rs.348

Rs.368

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In a quiz, team A scored – 40, 10, 0 and team B scored 10, 0, – 40 in three successive rounds. Which team scored more?

1 point

Team A

Team B

Both teams scored equal

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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 process begins?

1 point

-10⁰ C

10⁰ C

-20⁰ C

20⁰ C

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(–3) × _____ = 27

1 point

-9

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_____ × (– 8) = –56

1 point

-7

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(–30) ÷ 10

1 point

-3

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– 87 ÷ _____ = 87

1 point

-1

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The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°Cper hour until midnight, at what time would the temperature be 8°C below zero?

1 point

7 PM

8 PM

9 PM

10 PM

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