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380 mangoes are distributed among some boys and girls who are 85 in number. Each boy gets four mangoes and each girl gets five. The number of boys is
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- 15
- 38
- 40
- 45
Correct Option: D
Let number of boys = x
and number of girls = 85 – x
According to the question,
x × 4 + (85 – x ) × 5 = 380
⇒ 4x + 425 – 5x = 380
⇒ x = 45
