Question

If the mode of the following data is 36, then the value of P is

Class-interval

0-10

10-20

20-30

30-40

40-50

50-60

60-70

Frequency

7

6

10

16

P

8

10

Answer 1

Answer:

Let the four angles of the quadrilateral be 3x, 5x, 9x and 13x

3x+5x+9x+13x=360∘

[sum of all angles of the quadrilateral is 360∘]

30x=360∘

x=12∘

Hence, the angles of the quadrilateral are 3×12∘=36∘,5×12∘=60∘,9×12∘=108∘and13