Instructions

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

Question 139

# 3/5 of 2/7 of ? =426

Solution

Expression : 3/5 of 2/7 of ? =426

=> $$\frac{3}{5} \times \frac{2}{7} \times x=426$$

=> $$\frac{6x}{35}=426$$

=> $$x=426 \times \frac{35}{6}$$

=> $$x=71 \times 35=2485$$

=> Ans - (A)
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