Question

Q.Nos. 27 to 34 carry 3 marks each.
Q27 Find : i) (-18) y
(-4)
ii) 80 = (-5) iii) 17 - (-21)
Q28 Evaluate
ii) 0.1 x 51.7 iii) 0.9 x 100
10
Q29 The enrolment in a school during six consecutive years was as follows
1555, 1670, 1750, 2013, 2540, 2820
Find the mean enrolment of the school for this period.
Q30 Two hundred students of 7th and 8th classes were asked to name their favourite colour so as to decid
upon what should be the colour of their school building.
Scale : 1 unit = 10 students
60
50
40
30
20
Students
10
0
Red
Green
Blue
Yellow
Orange​

Answer 1

Answer:

yellow is the answer iyferuijjrwdvjjauidyyshkzf