Short Quiz - Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash)

Question 1 of 5

In a T20 cricket match, a team needs 43 runs to win from the last 5 overs. What does a required run rate of 8.6 mean?

A They must hit a six and a two in every over. B They must score exactly 86 runs. C They need to maintain an average scoring pace of 8.6 runs for each of the remaining 5 overs. D They must score 9 runs in the first over and 8 in the second.

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Question 2 of 5

Assertion (A): In Formula 1 race, a lap time of 81.05 seconds is faster than a lap time of 81.5 seconds.
Reason (R): Smaller numbers represent faster times in racing.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 3 of 5

Assertion (A): To correctly add a bill of ₹12.5 and a tax of ₹3.45, one should visualize 12.5 as 12.50 .
Reason (R): Adding a zero to 125 changes its value to make the addition possible.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 4 of 5

An engineer is designing a protective case for a new smartphone that is exactly 7.5 mm thick. For a snug fit without being too loose, the internal thickness of the case should be just slightly larger. Which engineering specification is the most appropriate?

A 7.50 mm (no clearance, won't fit) B 7.55 mm ( 0.05 mm clearance for a snug fit) C 8.0 mm ( 0.5 mm clearance, likely too loose) D 7.45 mm (too small)

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Question 5 of 5

A high-precision baking recipe for macarons requires exactly 0.5 kg of almond flour. A baker using a digital scale has 0.45 kg . What is the most probable outcome if the baker proceeds?

A The macarons will be perfect, as the difference is negligible. B The macarons' delicate texture will likely fail because the ingredient ratio is off by 0.05 kg . C The baker has more than enough flour. D The recipe is impossible to make with this amount.

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Short Quiz - Chapter 3 Class 7 - A peek beyond the Point (Ganita Prakash)