Question

Let ( n_{0} ). ( delta f ) girls ( =5 x quad & n 0.8 f ) boy ( =8 x )
[
begin{array}{l}
Rightarrow quad 5 x+8 x=6422 Rightarrow 13 x=6422
Rightarrow quad x=494
end{array}
]
Number of sfudents who took part in camp
[
begin{array}{l}
=frac{1}{5}(5 x)+frac{1}{8}(8 x)=x+x=2 x
=988
end{array}
]
fraction of total sfreypth who bok parfrincamp
[
=frac{988}{6422}=frac{2}{13}
]
Offion (a)

# . 6. 1+_ Multiple Choice Questions (Mental Ability) Tick (V) the correct answer in each of the following: 1. In a school of 6,422 students, ratio of girls to boys 5:8, 5th of the girls and a th of the boys took part in a school camp. Fraction of the total strength took part in the camp is 7. In the

Solution