Question

numbers and on the same number
Ritesh wants to represent the rational
-2.
4
line but he is confused while plotting
them. He is not sure which side these
rational number lie on the number line.
Help him by showing both the numbers
on a number line.​

Answer 1

Write true or false with reference to the following frequency table:

60

70

Class 1-10-20-30-40-50-60-70-80 90- Total

(Science 10 20 30 40 50

80

90

100

marks)

Frequency 2 4 12 15 18 259 32 1 91

(Number

of

students)

1

( The frequency of 18 is 2.

(ii) The frequency of 35 is 15.

(iii) Class 90-100 has the lowest frequency

(iv) Class 50 - 60 has a frequency of 18.

(v) Class 60-70 has the highest frequency.

(vi) The frequency of 48 is 18.

(vii) The total number of students is 100.

(viii) There are 10 class intervals.