Question

64 boys and 40 girls form a group for social work. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now, if the ratio of boys to girls is 4:3 ? a) 168 b) 201 c) 147 d) 154

Bank Exams

Maths

Solution

123

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20t x no.of boy I gures jouried ( Rightarrow ) Tolcel boys ( =64+x ) & Totalgins ( 40+x ) [ frac{64+x}{40+x}=frac{4}{3} ] ( Rightarrow quad(92+3 x=160+4 x ) ( Rightarrow quad x=32 ) ( Rightarrow ) Totoll no. If member in quoup [ begin{array}{l} =64+x+40+x =104+2 x =104+2(32) =168 end{array} ]