Instructions

What approximate value will come in place of question mark (?) in the given questions ? (You are not expected to calculate the exact value.)

Question 39

40.09% of 80.15 + 60.04% of 160.12 = ?

Solution

Approximately

40.09 ~ 40

80.15 ~ 80

60.04 ~ 60

160.12 ~ 160

Now, (40.09% of 80.15 + 60.04% of 160.12) this equation is equivalent to (($$\frac{40}{100}\times80$$) + ($$\frac{60}{100}\times160)$$)

= 32 + 96

= 128

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