Question

A,B,C,D are 4 number such that A:B=2:3, B:C=6:7, C:D=21:25 find the ratio A:D​

Answer 1

Step-by-step explanation:

• A:B=2:3 A/B=2/3
• B:C=6:7 B/C=6/7
• A/B X B/C=2/3 X6/7
• i. e; A/C=12/21=4/7
• C:D=21:25 C/D=21/25
• A/C XC/D =4/7 X 21/25
• i. e ; A/D=12/25
• A:D=12:25

Answer 2

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