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4:43 E
Paytm
HD
X
A Q
and measure its length. Also TINA (or very
36. The mean age in the following f

By Melanie

4:43 E
Paytm
HD
X
A Q
and measure its length. Also TINA (or very
36. The mean age in the following frequency distribution is 53 years. But the frequencies, and
the classes 20 – 40 and 60 – 80 are missing. Find the missing frequencies.
Age (in years) 0 – 20
40-60
20-40
60-80
Total
80-100
No. of people
15
21
17
100
52
si​

About the author
Melanie


3) A train is moving at a uniform speed of 75 km/h. How much distance will it cover in 15
hours?
​

B) Solve any four of the following subquestions :
(OEQ)
(i) Write two solutions of the equation 2x – y = 1
(ii) Fin

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