Instructions

What will come in place of the question mark (?) in each of the following questions ?

Question 140

5/9 of 315 + 3/7 of 455 = ?

Solution

Expression : 5/9 of 315 + 3/7 of 455 = ?

= $$(\frac{5}{9} \times 315) + (\frac{3}{7} \times 455)$$

= $$(5 \times 35) + (3 \times 65)$$

= $$175 + 195 = 370$$

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