Lathel (c) 72
(b) 25
Arun obtained 76, 65, 82, 67 and 85 marks out in 100) in English,
Biology and Physics. What is his average mark?
(a) 53
75
(b) 54
In an examination, a student's average marks were 63. If he had obtained 20
bis Geography and 2 more marks for his history, his average would have been
subjects were there in the examination?
(a) 12
(b) 13
(c) 11
(d) 14
The average of six numbers is x and the average of three of these is y. If the
remaining three is z, then
(b)x=y+z
(c) x=2y + 2z
(d) No
In an election between two candidates, one got 55% of the total valid votes, 2
were invali(d) If the total number of votes was 7500, what was the number of
a) 2800
(b) 2700
2100
(d) 2500
(a) 2x = y +z
he other candidate got?
he population of a town increased from 1,75,000 to 2,62,500 in a decad
erage percent increase of population per year?
4%
(b) 6%
(c) 5%
person crosses 600
50​