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Question (31)

QN0014982

What is the minimum number of clicks needed to make 40,629?

(A) 20
(B) 21
(C) 22
(D) 23

Correct Answer: B

Explanation:

4+0+6+2+9 = 21.

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Question (32)

QN0014983

What is the minimum number of clicks needed to make 56,354?

(A) 22
(B) 23
(C) 24
(D) 25

Correct Answer: B

Explanation:

5+6+3+5+4 = 23.

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Question (33)

QN0014984

What is the minimum number of clicks needed to make 66,666?

(A) 24
(B) 27
(C) 30
(D) 33

Correct Answer: C

Explanation:

Sum of digits = 30.

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Question (34)

QN0014985

Which statement about Handy Hundreds is correct?

(A) It can show numbers not divisible by 100
(B) It can show every multiple of 100
(C) It can show every integer
(D) It cannot show 10,000

Correct Answer: B

Explanation:

Any multiple of 100 can be displayed.

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Question (35)

QN0014986

Handy Hundreds claims there are numbers it can show but Thoughtful Thousands and Tedious Tens cannot. This statement is:

(A) Always true
(B) True for odd numbers only
(C) False
(D) True for multiples of 100 only

Correct Answer: C

Explanation:

All such numbers can also be made using smaller units.

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Question (36)

QN0014987

If the sum of digits of a number is 18, the minimum clicks required by Systematic Sippy are:

(A) 9
(B) 18
(C) 81
(D) Cannot be determined

Correct Answer: B

Explanation:

Minimum clicks equal the digit sum.

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Question (37)

QN0014988

Which number requires the fewest minimum clicks?

(A) 90,000
(B) 53,000
(C) 10,000
(D) 97,600

Correct Answer: C

Explanation:

Digit sums: 9, 8, 1, and 22 respectively.

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Question (38)

QN0014989

Which number requires 11 minimum clicks?

(A) 5072
(B) 8300
(C) 40629
(D) 56354

Correct Answer: B

Explanation:

8+3+0+0 = 11.

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Question (39)

QN0014990

In Creative Chitti, different button combinations can produce the same number because:

(A) Addition can be regrouped in different ways
(B) Digits can be rearranged freely
(C) Multiplication is ignored
(D) Numbers change automatically

Correct Answer: A

Explanation:

Equal values can be formed using different groups.

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Question (40)

QN0014991

The main mathematical idea behind the Land of Tens calculators is:

(A) Symmetry
(B) Fractions
(C) Place value and powers of ten
(D) Geometry

Correct Answer: C

Explanation:

The chapter is based on place value and powers of ten.

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Question (31)

What is the minimum number of clicks needed to make 40,629?

Explanation:

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Question (32)

What is the minimum number of clicks needed to make 56,354?

Explanation:

Link:

Question (33)

What is the minimum number of clicks needed to make 66,666?

Explanation:

Link:

Question (34)

Which statement about Handy Hundreds is correct?

Explanation:

Link:

Question (35)

Handy Hundreds claims there are numbers it can show but Thoughtful Thousands and Tedious Tens cannot. This statement is:

Explanation:

Link:

Question (36)

If the sum of digits of a number is 18, the minimum clicks required by Systematic Sippy are:

Explanation:

Link:

Question (37)

Which number requires the fewest minimum clicks?

Explanation:

Link:

Question (38)

Which number requires 11 minimum clicks?

Explanation:

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Question (39)

In Creative Chitti, different button combinations can produce the same number because:

Explanation:

Link:

Question (40)

The main mathematical idea behind the Land of Tens calculators is:

Explanation:

Link:

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