Question 40

If 7010 = 7, 505 = 10 and 105 = 2, then find the value of 801 = ?

Solution

Given : 70*10 = 7, 50*5 = 10 and 10*5 = 2

If we replace $$'\times'$$ with $$'\div'$$, then L.H.S. = R.H.S.

Eg :- $$\frac{70}{10}=7$$

and $$\frac{50}{5}=10$$

and $$\frac{10}{5}=2$$

Similarly, $$\frac{80}{1}=80$$

=> Ans - (D)

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If 70*10 = 7, 50*5 = 10 and 10*5 = 2, then find the value of 80*1 = ?