In an annual function, 504 children participated. The ratio of the num

1.	In an annual function, 504 children participated. The ratio of the number of girls to the number of boys is 5 : 3 respectively. Out of the total girls, 20% participated in dance and remaining girls participated in solo song, group song and drama in the ratio of 2 : 3 : 4. Two – third of the total boys participated in group song and the remaining boys participated in solo song and dance in the ratio of 4:5What is the total number of girls who have participated in group song and drama together?1). 1922). 1953). 1844). 168
Answer» Given that 80% of girls participated in solo, group SONG and drama in ratio 2 : 3 : 4. ⇒ 80% of total girls = 80/100 × 315 = 252 ∴ Number of girls participated in group song and drama $(= \frac{{3 + 4}}{{2 + 3 + 4}} \TIMES 252)$ = 196

In an annual function, 504 children participated. The ratio of the number of girls to the number of boys is 5 : 3 respectively. Out of the total girls, 20% participated in dance and remaining girls participated in solo song, group song and drama in the ratio of 2 : 3 : 4. Two – third of the total boys participated in group song and the remaining boys participated in solo song and dance in the ratio of 4:5What is the total number of girls who have participated in group song and drama together?1). 1922). 1953). 1844). 168

Answer»

Given that 80% of girls participated in solo, group SONG and drama in ratio 2 : 3 : 4.

⇒ 80% of total girls = 80/100 × 315

= 252

∴ Number of girls participated in group song and drama $(= \frac{{3 + 4}}{{2 + 3 + 4}} \TIMES 252)$

= 196

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