Question

two numbers are in the ratio 3:5 If each increase by 10,the ratio became 5:7Thesum of number is​

Answer 1

Answer:

40

Step-by-step explanation:

Let the numbers be=3x, 5x

According to question

3x+10/5x+10=5/7

21x+70=25x+50

70-50=25x-21x

20=4x

x=20/4

x=5

3x=3×5=15

5x=5×5=25

so sum of Numbers=15+25

=40

Answer 2

$\huge\underline\mathfrak{Solution}$

Ratio of the two number is 3:5

Let us take the common multiple is x

Then the numbers are 3x and 5x

By the given condition, each number is increased by 10

Then the new numbers be (3x + 10) and (5 x + 10)

By the given condition,

(3x+10) : (5x+10) = 5:7

(3 x + 10)/(5 x + 10)= 5/7

7(3x+10) = 5(5x+10)

21x+70 = 25x+50

25x-21x = 50-70

4x = 20

x = 20/4

x = 5

So, common multiple = 5.

Therefore, The sum of the numbers:-

(3x+5x)

8x

8×5

=> 40

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