(25)7.5 x (5)2.5 ÷ (125)1.5 = 5?
8.5
13
16
17.5
None of these
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Answer : Option B
Explanation :
Let (25)7.5 x (5)2.5 ÷ (125)1.5 = 5x.
Then,(52)*(5)2.5/(5^3)^1.5=5X
5(2∗7.5)∗52.55(3∗1.5)=5X
5x = 5(15 + 2.5 - 4.5)
5x = 513
x = 13.
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