Q18 of 41 Page 5

Sonia picks up a card from the given cards.


Calculate the probability of getting


(a) an odd number


(b) a Y card


(c) a G card


(d) B card bearing number > 7

Total no. of events = 10


(i) No. of events of an odd no = 5





(ii) No. of events of Y card = 3




(iii) No. of events of G card = 2





(iv) No. of events of getting B card bearing number > 7 = 7




More from this chapter

All 41 →
16

A die thrown. Find the probability of getting:

(i) a prime number


(ii) 2 or 4


(iii) a multiple of 2 or 3

 17

Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept ina box and mixed well. One slip is chosen from the box without looking into it. What is the probability of.

(i) getting a number 6?


(ii) getting a number less than 6?


(iii) getting a number greater than 6?


(iv) getting a 1-digit number?

 19

The following pie chart depicts the expenditure of a state government under different heads.

(i) If the total spending is 10 crores, how much money was spent on roads?


(ii) How many times is the amount of money spent on education compared to the amount spent on roads?


(iii) What fraction of the total expenditure is spent on both roads and public welfare together?


 20

The daily minimum temperatures in degrees Celsius recorded in a certain Arctic region are as follows :

- 12.5, -10.8, -18.6, -8.4, -10.8, -4.2, -4.8, -6.7, -13.2, -11.8, -2.3, 1.2, 2.6, 0, -2.4, 0, 3.2, 2.7, 3.4, 0, -2.4, -2.4, 0, 3.2, 2.7, 3.4, 0, -2.4, -5.8, -8.9, -14.6, -12.3, -11.5, -7.8, -2.9


Represent them as frequency distribution table taking -19.9 to -15 as the first class interval.