Скачать или смотреть Cbse Class 10 Probability Chapter 14 Exercise 14.1 Question 16 to 20 in Tamil by Kalvikan

Cbse Class 10 Maths New Syllabus Chapter 14 Probability Exercise 14.1 Question no 16, 17, 18, 19 and 20 explained in Tamil by Kalvikan

16. 12 defective pens are accidentally mixed with 132 good ones. It is not possible to just
look at a pen and tell whether or not it is defective. One pen is taken out at random from
this lot. Determine the probability that the pen taken out is a good one.

17. (i) A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at random from the lot.
What is the probability that this bulb is defective?
(ii) Suppose the bulb drawn in (i) is not defective and is not replaced. Now one bulb
is drawn at random from the rest. What is the probability that this bulb is not
defective ?

18. A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random
from the box, find the probability that it bears (i) a two-digit number (ii) a perfect
square number (iii) a number divisible by 5.

19. A child has a die whose six faces show the letters as given below:
ABCDEA
The die is thrown once. What is the probability of getting (i) A? (ii) D?

20*. Suppose you drop a die at random on the rectangular region shown in Fig. 14.6. What is
the probability that it will land inside the circle with diameter 1m?

👉 Probability Class 10 :    • Class 10 Probability  

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