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A college
consists of girls and boys in the ratio of 7 : 5 respectively. All of them are
enrolled in different types of classes according to their interest i.e. Acting,
Horse riding and Swimming. Twenty percent of the boys are enrolled in only
acting classes. The number of boys enrolled in only horse riding classes is
200% of the girls enrolled in the same. 1/5 of the girls are enrolled in only
swimming classes. Ten percent of the girls are enrolled in only horse riding
classes. One thirteenth of the girls are enrolled in all the three classes
together. Twenty-four percent of the boys are enrolled in only horse riding and
swimming classes together. The respective ratio of girls enrolled in only
swimming and acting classes together to the boys enrolled in the same is 2 : 1.
Ten percent of the boys are enrolled in only swimming classes whereas 8% of the
boys are enrolled in only swimming and acting classes together. The no. of
girls enrolled in only horse riding and swimming classes together is 50% of the
no. of boys enrolled in the same. The remaining girls are enrolled in only
acting classes. The remaining boys are enrolled in all the three classes
together. College consists 3120 students in total.
consists of girls and boys in the ratio of 7 : 5 respectively. All of them are
enrolled in different types of classes according to their interest i.e. Acting,
Horse riding and Swimming. Twenty percent of the boys are enrolled in only
acting classes. The number of boys enrolled in only horse riding classes is
200% of the girls enrolled in the same. 1/5 of the girls are enrolled in only
swimming classes. Ten percent of the girls are enrolled in only horse riding
classes. One thirteenth of the girls are enrolled in all the three classes
together. Twenty-four percent of the boys are enrolled in only horse riding and
swimming classes together. The respective ratio of girls enrolled in only
swimming and acting classes together to the boys enrolled in the same is 2 : 1.
Ten percent of the boys are enrolled in only swimming classes whereas 8% of the
boys are enrolled in only swimming and acting classes together. The no. of
girls enrolled in only horse riding and swimming classes together is 50% of the
no. of boys enrolled in the same. The remaining girls are enrolled in only
acting classes. The remaining boys are enrolled in all the three classes
together. College consists 3120 students in total.
Q.1 What is the respective ratio of the no.
of boys enrolled in only acting classes to the no. of girls enrolled in the
same?
of boys enrolled in only acting classes to the no. of girls enrolled in the
same?
a) 76 : 25
b) 21 : 73
c) 73 : 21
d) 26 : 77
e) none of these
Q.2 Total no. of boys enrolled in horse
riding is approximately what percent of the total no. of students?
riding is approximately what percent of the total no. of students?
a) 33
b) 26
c) 61
d) 28
e) none of these.
Q.3 what is the total no. of girls enrolled
in swimming?
in swimming?
a) 737
b) 868
c) 585
d) 612
e) none of these
Q.4 Number of boys enrolled in only
swimming is what % of the girls enrolled in the same ?
swimming is what % of the girls enrolled in the same ?
a) 35.71
b) 43.82
c) 26.73
d) 36.83
e) none of these
Q.5 what is the total no. of students
enrolled in all the three classes together?
enrolled in all the three classes together?
a) 175
b) 155
c) 265
d) 270
e) none of these
Answers & Solutions:
1) D – Ratio = 260 : 770 = 26 : 77
2) B – percentage = ( 312 + 364 + 130)/3120 x 100 = 26
3) B – number = 156 + 140 + 208 + 364 = 868
4) A – percentage = 130 / 364 x 100 = 35.71
5) D – total = 130 + 140 = 270
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This post was last modified on June 2, 2019 12:12 pm