प्रश्नावली 8.2 Maths Exercises

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Questions and Answers

What operation is indicated by 'योग ज्ञात कीजिए'?

  • Addition (correct)
  • Multiplication
  • Division
  • Subtraction

What operation is indicated by 'ज्ञात कीजिए'?

  • Add
  • Evaluate (correct)
  • Multiply
  • Divide

What operation is indicated by 'गुणनफल ज्ञात कीजिए'?

  • Subtract
  • Evaluate
  • Multiply (correct)
  • Add

What is the result of dividing a number by itself?

<p>One (C)</p> Signup and view all the answers

What happens when you multiply a number by 1?

<p>The number stays the same (D)</p> Signup and view all the answers

What is the additive identity?

<p>0 (D)</p> Signup and view all the answers

What is the multiplicative identity?

<p>1 (D)</p> Signup and view all the answers

Which of the following is true when adding a negative number?

<p>It is the same as subtraction (C)</p> Signup and view all the answers

What is a rational number?

<p>A number that can be expressed as a fraction (A)</p> Signup and view all the answers

Flashcards

What does 'योग ज्ञात कीजिए' mean?

To find the sum of two or more numbers.

What does 'ज्ञात कीजिए' mean?

This refers to finding the difference between two numbers.

What does 'गुणनफल ज्ञात कीजिए' mean?

This indicates the operation of multiplying two or more numbers.

What does 'मान ज्ञात कीजिए' mean?

This refers to finding the quotient when one number is divided by another.

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Study Notes

  • The text shows math exercises from प्रश्नावली 8.2

योग ज्ञात कीजिए (Find the sum)

  • 5/4 + (-11/4)
  • 5/3 + 3/5
  • -9/10 + 22/15
  • -3/-11 + 5/9
  • -8/19 + (-2/57)
  • -2/3 + 0
  • -2/5 + 4/5 + 1/3

ज्ञात कीजिए (Find)

  • 7/24 - 17/36
  • 5/63 - (-6/21)
  • -6/13 - (-7/15)
  • -3/8 - 7/11
  • -2/9 - 6

गुणनफल ज्ञात कीजिए (Find the product)

  • 9/2 x (-7/4)
  • 3/10 x (-9)
  • -6/5 x 9/11
  • 3/7 x (-2/5)
  • 3/11 x 2/5
  • 3/-5 x -5/3

निम्नलिखित के मान ज्ञात कीजिए (Find the value of the following)

  • (-4)/3 ÷ 2/3
  • -3/5 ÷ 2
  • -4/5 ÷ (-3)
  • -1/8 ÷ 3/4
  • -2/13 ÷ 1/7
  • -7/12 ÷ (-2/13)
  • 3/13 ÷ (-4/65)

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