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Maths A Story of Numbers Class 8 (Ganita Prakash) MCQ and Assertion Questions | CBSE 10 Question MCQ (including Assertion)

Question 1 of 10

What was a major drawback of the ancient Egyptian number system?

A It did not use base-10. B It relied entirely on the position of a symbol rather than the symbol itself. C It lacked symbols for numbers less than 100. D It required creating a new, unending sequence of symbols for higher and higher powers of 10.

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Question 2 of 10

What decimal number is represented by the following vertical Mayan numeral?

A \(721\) B \(401\) C \(801\) D \(41\)

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Question 3 of 10

Convert the decimal number \(25\) into a Base-8 positional numeral.

A \(21_8\) B \(31_8\) C \(41_8\) D \(13_8\)

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Question 4 of 10

Represent the number \(132\) in the Mesopotamian base-60 system.

A

B

C

D

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Question 5 of 10

The first four landmarks of a base-7 system are \(1,7,49,343\). What is the next landmark?

A 350 B 2058 C 2401 D 16807

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Question 6 of 10

Assertion:

The displayed positional arrangement represents 3605.

Reason:

The original Mesopotamians always wrote an explicit placeholder in every empty position, including at the end of a numeral.

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

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Question 7 of 10

Evaluate the following addition using the extended Gumulgal rules (where counting by 2s continues beyond 6):

(ukasar-ukasar-urapon) + (ukasar-urapon)

A ukasar-ukasar-ukasar B ukasar-ukasar-ukasar-urapon C ukasar-ukasar-ukasar-ukasar D ras

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Question 8 of 10

Which pair correctly writes decimal 25 in base 8 and base 5, respectively?

A \((25)_8\) and \((25)_5\) B \((41)_8\) and \((50)_5\) C \((31)_8\) and \((100)_5\) D \((32)_8\) and \((110)_5\)

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Question 9 of 10

Without converting to Hindu-Arabic numerals, add the Roman numerals \(CCXXXII\) and \(CCCXIII\). What is the result?

A DXXXV B DCXLV C DCLXV D DXLV

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Question 10 of 10

The later Mesopotamian system used

= 1

= 10

and positional groups. What was its base?

A 60 B 20 C 10 D 5

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