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(25)7.5 x (5)2.5 ÷ (125)1.5 = 5?

  • a)
    8.5

  • b)
    13

  • c)
    16

  • d)
    17.5

Correct answer is option 'B'. Can you explain this answer?
Verified Answer
(25)7.5x (5)2.5÷ (125)1.5= 5?a)8.5b)13c)16d)17.5Correct answer ...
Let (25)7.5 x (5)2.5 ÷ (125)1.5 = 5x.

Then, (52)7.5 x 52.5 / (53) 1.5 = 5x


⇒ (52)7.5 x 52.5 / (5)3 x 1.5 = 5x

⇒ 515 x 52.5 / 54.5 = 5x

⇒ 5x = 5(15 + 2.5 - 4.5)

⇒ 5x = 513

∴ x = 13.
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Most Upvoted Answer
(25)7.5x (5)2.5÷ (125)1.5= 5?a)8.5b)13c)16d)17.5Correct answer ...
The expression can be simplified as follows:

(25)7.5x (5)2.5 = (25)(7.5)(5)(2.5) = 4687.5x
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(25)7.5x (5)2.5÷ (125)1.5= 5?a)8.5b)13c)16d)17.5Correct answer is option 'B'. Can you explain this answer?
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