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Question (21)

QN0014972

Hence the minimum number of clicks needed to make 3,67,813 is:

(A) 26
(B) 27
(C) 28
(D) 29

Correct Answer: C

Explanation:

Minimum clicks = sum of digits = 28.

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Question (22)

QN0014973

If you must make exactly 30 button presses, the largest 3-digit number possible is:

(A) 999
(B) 993
(C) 990
(D) 984

Correct Answer: B

Explanation:

Largest 3-digit number with digit sum 30 is 993.

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Question (23)

QN0014974

If you must make exactly 30 button presses, the smallest 3-digit number possible is:

(A) 100
(B) 101
(C) 102
(D) 399

Correct Answer: D

Explanation:

Smallest 3-digit number with digit sum 30 is 399.

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Question (24)

QN0014975

The number 997 can be made using 25 clicks. Another valid number of clicks is:

(A) 30
(B) 32
(C) 34
(D) 36

Correct Answer: C

Explanation:

Extra groups of 10 ones can be exchanged without changing the number.

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Question (25)

QN0014976

Pressing the +10,00,000 button ten times gives:

(A) 10,00,000
(B) 1,00,00,000
(C) 10,00,00,000
(D) 1,00,000

Correct Answer: B

Explanation:

10 × 10,00,000 = 1,00,00,000.

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Question (26)

QN0014977

The number obtained by pressing +10,00,000 ten times is called:

(A) Lakh
(B) Million
(C) Crore
(D) Arab

Correct Answer: C

Explanation:

1,00,00,000 is one crore.

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Question (27)

QN0014978

1 crore is equal to:

(A) 10 lakhs
(B) 100 lakhs
(C) 1000 lakhs
(D) 10 crores

Correct Answer: B

Explanation:

1 crore = 100 lakhs.

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Question (28)

QN0014979

How many zeroes are there in 1 crore?

(A) 5
(B) 6
(C) 7
(D) 8

Correct Answer: C

Explanation:

1,00,00,000 has 7 zeroes.

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Question (29)

QN0014980

Which number has 7 zeroes?

(A) 1 lakh
(B) 10 lakh
(C) 1 crore
(D) 1 thousand

Correct Answer: C

Explanation:

1 crore = 1,00,00,000.

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Question (30)

QN0014981

If a number is represented with minimum clicks, which place-value idea is being used?

(A) Roman numeration
(B) Expanded form
(C) Fractions
(D) Factors only

Correct Answer: B

Explanation:

Minimum clicks use expanded place-value form.

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Question (21)

Hence the minimum number of clicks needed to make 3,67,813 is:

Explanation:

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Question (22)

If you must make exactly 30 button presses, the largest 3-digit number possible is:

Explanation:

Link:

Question (23)

If you must make exactly 30 button presses, the smallest 3-digit number possible is:

Explanation:

Link:

Question (24)

The number 997 can be made using 25 clicks. Another valid number of clicks is:

Explanation:

Link:

Question (25)

Pressing the +10,00,000 button ten times gives:

Explanation:

Link:

Question (26)

The number obtained by pressing +10,00,000 ten times is called:

Explanation:

Link:

Question (27)

1 crore is equal to:

Explanation:

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Question (28)

How many zeroes are there in 1 crore?

Explanation:

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Question (29)

Which number has 7 zeroes?

Explanation:

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Question (30)

If a number is represented with minimum clicks, which place-value idea is being used?

Explanation:

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