Question

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Answer 1

1.

Given :

$\sf \dfrac{232}{203} = \dfrac{x}{21}$

To find : x

Solution :

$\sf \implies \dfrac{232}{203} = \dfrac{x}{21}$

$\sf \implies \: x = \: \dfrac{232}{203} \times 21$

$\sf \implies \: x = \: \dfrac{4872}{203}$

$\sf \implies \: x = \: \bold{24}$

ANSWER :

Option (4) 24

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2.

Given :

• Price of bicycle : Price of motorbike = 8 : 75
• Price of bicycle = ₹4800

To find :

• Price of motorbike

Solution :

$\sf \implies \: Price \: of \: bicycle \: : \: Price \: of \: motorbike \: = \: 8 \: : \: 75$

$\sf \implies \: \dfrac{Price \: of \: bicycle}{\: Price \: of \: motorbike \: } = \: \dfrac{8 \: }{\: 75}$

$\sf \implies \: \dfrac{4800}{\: Price \: of \: motorbike \: } = \: \dfrac{8 \: }{\: 75}$

$\sf \implies \: Price \: of \: motorbike \: = \: 4800 \times \dfrac{75 \: }{\: 8 }$

$\sf \implies \: Price \: of \: motorbike \: = \: 600 \times \: 75$

$\sf \implies \: Price \: of \: motorbike \: = 45000$

ANSWER :

Option (2) ₹45000

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3.

To find :

Ratio of 1.75 hectometres to 225 metre

Solution :

First of all we need to make units equal.

➩ 1 hectometres = 100 metres

➩ 1.75 hectometres = 1.75×100 metres

➩ 1.75 hectometres = 175 metres

Now we will find ratio

1.75 hectometres : 225 metres = 175 metres : 225 metres

➩ 1.75 hectometres : 225 metres = (25×7) metres : (25×9) metres

➩ 1.75 hectometres : 225 metres = 7:9

ANSWER :

Option (3) 7:9