6.
How many children are there in the group?
I.
Average age of the children in this group is 15
years. The total age of all the children in this group is 240 years.
II.
The total age of all the children in the group
and the teacher is 264 years. The age of the teacher is 9 years more than the
average age of the children.
7.
Deepak’s marks in Hindi are 15 more than the average
marks obtained by him in Hindi, Economics, sociology and Philosophy. What are
hit makes in Philosophy?
I.
The total marks obtained by him in Hindi and
Philosophy together is120.
II.
The difference between the marks obtained by him
in sociology and Economics is 120.
8.
How many candidates were interviewed everyday by
the panel A out of the three panels A, B
and C?
I.
The three panels on an average interview 15
candidates every day. ]out of a total of 45 candidates interviewed everyday by
the three panels, the number of candidates interviewed by panel A is more by 2
than the candidates interviewed by panel C and is more by 1 than the candidates
interviewed by panel B.
9.
The average age of teacher and students in a
class is 3 years more than the average age of students. What is the are of the
class teacher?
I.
There are 11 students in the class.
II.
The average age of teacher and students is 14
years.
10.
What will be the average weight of the remaining
class?
i.
Average weight of 30 children out of total 46 in
the class is 22.5 kg and that of the remaining children is 29.125kg. A child
having weight more than 40 kg. A child weighing 46 km is dropped out.
ii.
Average weight
of a class of 46 children is 23.5 kg. A child weighing 46 kg is dropped out.
ANSWERS :