Math, asked by bharatisathupalli9, 1 month ago

(i) 7:49 and a : 21 find the value of a

Answers

Answered by goyalanubhav69

0

Answer:

a=3

Step-by-step explanation:

7:49::a:21

product of interior = product of exterior

7×21=49xa

so,

147÷49=a

3=a

a=3

answer is 3

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