Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q A

MEDIUM

8th CBSE

IMPORTANT

Earn 100

When the sum of $123, 312 and 231$ is divided by $37$ , then the quotient is three times

50% studentsanswered this correctly

Important Questions on Enrichment Activities (Based on Chapters 20–25)

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

{(\frac{2}{7})}^{- 5} \times {(\frac{5}{3})}^{- 5}

is equal to

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

If

8^{- 2} \div x = 2^{8}

, then

x

is equal to

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

A

can do

\frac{1}{3}

of a work in

5

days while

B

can do only

\frac{1}{6}

of the same work in

5

days. Working together, they can complete it in

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

On factorising

(4 x^{2} + 12 x y + 9 y^{2})

we get

HARD

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

The correct factorisation of

{(2 x + 3 y)}^{2} - 5 (2 x + 3 y) - 14

is

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

(2 x^{2} - 3 x - 2) \div (2 x + 1) =

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

The points

(1, - 2)

and

(- 3, 2)

lie in the

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 32 - Enrichment Activities (Based on Chapters 20–25)>ENRICHMENT ACTIVITIES (Based on Chapters 20-25)>Q B

Ordinate of a point is positive in the