What is the whole quantity if 40 - of it is 500 km -A- 1300 kmB- 1250 kmC- 1200 kmD- 1500 km

The correct option is B 1250 kmLet 'x' represent the whole quantity. Given, 40% of x=500 km i.e., 40/100× x =500 km nbsp;x=500 ×100/40 nbsp;x =1250 km ...

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Standard VII

Mathematics

Percentages

What is the w...

Question

What is the whole quantity if $40 %$ of it is $500 k m$ ?

1300 km

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1250 km

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1200 km

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1500 km

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Solution

The correct option is B 1250 km
${Let}^{'} x^{'} r e p r e s e n t t h e w h o l e q u a n t i t y .$
$Given, 40 % of x = 500 k m$
$i . e ., \frac{40}{100} \times x = 500 k m$
$⟹ x = 500 \times \frac{100}{40}$
$⟹ x = 1250 k m$

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What is the whole quantity if 40% of it is 500 km?

The correct option is B 1250 kmLet ′x′ represent the whole quantity. Given, 40% of x=500 km i.e.,40100×x=500 km ⟹x=500×10040 ⟹x=1250 km

What is the whole quantity if $40 %$ of it is $500 k m$ ?

The correct option is B 1250 km
${Let}^{'} x^{'} r e p r e s e n t t h e w h o l e q u a n t i t y .$
$Given, 40 % of x = 500 k m$
$i . e ., \frac{40}{100} \times x = 500 k m$
$⟹ x = 500 \times \frac{100}{40}$
$⟹ x = 1250 k m$