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1. 3A = 2B; 3B = 5C এবং 4C = 5D হলে, A:B:C:D = কত? 

  • A. 50:75:36:45
  • B. 50:75:36:45
  • C. 50:75:36:45
  • D. 50:75:36:45

Answer: Option C

Explanation:

B=3/2 A

C=3/5B=9/10A

D=4/5C=18/25A

A : B : C : D

= 50 : 50×3/2 : 50×9/10 : 50 × 18/ 25

=50:75:45:36


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