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Question (21)

QN004882

A cloud contains 500 tiny droplets. If every 5 droplets join to form 1 larger droplet, how many larger droplets are formed?

(A) 50
(B) 75
(C) 100
(D) 125

Correct Answer: C

Explanation:

500 ÷ 5 = 100 larger droplets.

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Question (22)

QN004883

A cloud has 1200 tiny droplets. If groups of 6 droplets combine to form bigger drops, how many bigger drops are produced?

(A) 100
(B) 150
(C) 200
(D) 300

Correct Answer: C

Explanation:

1200 ÷ 6 = 200 bigger drops.

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Question (23)

QN004884

In a model cloud, 900 droplets are present. If 300 droplets remain small and the rest combine into larger drops, how many droplets participate in combining?

(A) 300
(B) 500
(C) 600
(D) 900

Correct Answer: C

Explanation:

900 − 300 = 600 droplets.

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Question (24)

QN004885

A cloud contains 800 droplets. If 25% become part of large raindrops, how many droplets contribute to rain formation?

(A) 100
(B) 150
(C) 200
(D) 250

Correct Answer: C

Explanation:

25% of 800 = 200.

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Question (25)

QN004886

In an experiment, 1000 droplets are formed around dust particles. If 200 droplets evaporate away, how many droplets remain?

(A) 600
(B) 700
(C) 800
(D) 900

Correct Answer: C

Explanation:

1000 − 200 = 800 droplets remain.

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Question (26)

QN004887

A cloud has 720 droplets. If they combine equally into groups of 8, how many larger drops are formed?

(A) 80
(B) 90
(C) 100
(D) 120

Correct Answer: B

Explanation:

720 ÷ 8 = 90 larger drops.

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Question (27)

QN004888

If the number of droplets in a cloud doubles from 450 to 900, the increase is:

(A) 225
(B) 350
(C) 450
(D) 900

Correct Answer: C

Explanation:

900 − 450 = 450.

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Question (28)

QN004889

A cloud forms from 1500 droplets. If 40% become heavy enough to fall, how many droplets contribute to rainfall?

(A) 500
(B) 550
(C) 600
(D) 650

Correct Answer: C

Explanation:

40% of 1500 = 600.

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Question (29)

QN004890

A cloud contains 960 droplets. If every 12 droplets merge into one raindrop, how many raindrops are formed?

(A) 60
(B) 70
(C) 80
(D) 90

Correct Answer: C

Explanation:

960 ÷ 12 = 80.

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Question (30)

QN004891

Which condition is necessary before water vapour can form cloud droplets?

(A) Heating of droplets
(B) Cooling of moist air
(C) Freezing of oceans
(D) Melting of snow

Correct Answer: B

Explanation:

Cooling causes condensation into droplets.

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Question (21)

A cloud contains 500 tiny droplets. If every 5 droplets join to form 1 larger droplet, how many larger droplets are formed?

Explanation:

Link:

Question (22)

A cloud has 1200 tiny droplets. If groups of 6 droplets combine to form bigger drops, how many bigger drops are produced?

Explanation:

Link:

Question (23)

In a model cloud, 900 droplets are present. If 300 droplets remain small and the rest combine into larger drops, how many droplets participate in combining?

Explanation:

Link:

Question (24)

A cloud contains 800 droplets. If 25% become part of large raindrops, how many droplets contribute to rain formation?

Explanation:

Link:

Question (25)

In an experiment, 1000 droplets are formed around dust particles. If 200 droplets evaporate away, how many droplets remain?

Explanation:

Link:

Question (26)

A cloud has 720 droplets. If they combine equally into groups of 8, how many larger drops are formed?

Explanation:

Link:

Question (27)

If the number of droplets in a cloud doubles from 450 to 900, the increase is:

Explanation:

Link:

Question (28)

A cloud forms from 1500 droplets. If 40% become heavy enough to fall, how many droplets contribute to rainfall?

Explanation:

Link:

Question (29)

A cloud contains 960 droplets. If every 12 droplets merge into one raindrop, how many raindrops are formed?

Explanation:

Link:

Question (30)

Which condition is necessary before water vapour can form cloud droplets?

Explanation:

Link:

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