Number of boys and girls in a class are in the ratio $7 : 5$ . The number of boys is $8$ more that the number of girls. The total class strength is

56

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52

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48

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36

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Solution

The correct option is C $48$
Let the number of boys and girls be $7 x$ and $5 x$
As per question,
$7 x = 8 + 5 x ⟹ 2 x = 8 ⟹ x = 4$

The total strength in class= $7 x + 5 x = 12 x = 12 \times 4 = 48$

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Similar questions

Number of boys and girls in a class are in the ratio 7 : 5. The number of boys is 8 more than the number of girls. The total class strength is

(a) 56

(b) 52

(d) 36

Q. Tick (✓) the correct answer:
Number of boys and girls in a class are in the ratio 7 : 5. The number of boys is 8 more than the number of girls. The total class strength is
(a) 56
(b) 52
(c) 48
(d) 36

Number of boys and girls in a class are in the ratio $7 : 5$ . The number of boys is $8$ more than the number of the girls. Find the total strength of the class.

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Number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more that the number of girls. The total class strength is

The correct option is C 48Let the number of boys and girls be 7x and 5xAs per question,7x=8+5x⟹2x=8⟹x=4The total strength in class=7x+5x=12x=12×4=48

Number of boys and girls in a class are in the ratio $7 : 5$ . The number of boys is $8$ more that the number of girls. The total class strength is

The correct option is C $48$
Let the number of boys and girls be $7 x$ and $5 x$
As per question,
$7 x = 8 + 5 x ⟹ 2 x = 8 ⟹ x = 4$

The total strength in class= $7 x + 5 x = 12 x = 12 \times 4 = 48$