Question

when the number 210 is increased in the ratio 5:7, the new number is

answer correctly
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Answer 1

Given,

Number $\[ = 210\]$

Increment ratio $\[ = 5:7\]$

Solution,

Calculate the new number.

$\[ = 210 + 210 \times \frac{5}{7}\]$

$\[ = 210 + 30 \times 5\]$

$\[ = 210 + 150\]$

$\[ = 360\]$

Hence the new number is $\[ 360\]$.

Answer 2

SOLUTION

GIVEN

The number 210 is increased in the ratio 5 : 7

TO DETERMINE

The new number

EVALUATION

Here it is given that the number 210 is increased in the ratio 5 : 7

This gives

Old number : New Number = 5 : 7

Let old number = 5x and new number = 7x

So by the given condition

5x = 210

⇒ x = 42

Hence the required new number

= 7 × 42

= 294

FINAL ANSWER

Hence the required new number = 294

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