Question:medium

The kidneys in human beings are a part of the system for

CBSE Class X

Updated On: Jan 13, 2026

nutrition
respiration
excretion
transportation

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The Correct Option is C

Solution and Explanation

Kidneys facilitate excretion in humans.

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Questions Asked in CBSE Class X exam

Express each number as a product of its prime factors:

\(140\)
\(156\)
\(3825\)
\(5005\)
\(7429\)

CBSE Class X
The Fundamental Theorem of Arithmetic

Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers.

\(26\) and \(91\)
\(510\) \(\)and \(92\)
\(336\) and \(54\)

CBSE Class X
The Fundamental Theorem of Arithmetic

Find the LCM and HCF of the following integers by applying the prime factorisation method.

\(12, 15\) and
\(17, 23\) and
\(8, 9\) and \(25\)

CBSE Class X
The Fundamental Theorem of Arithmetic

Given that HCF \((306, 657) = 9\) , find LCM \((306, 657)\).

CBSE Class X
The Fundamental Theorem of Arithmetic