1.

1. Cards marked with the numbers 2 to 101 are placed in a box. One card is drawn at random. Find the probability that the card drawn bears a number which is a perfect cube. ​

Answer»

Step-by-step EXPLANATION:

option is

A

1:

2

1

,2:

25

3

,3:

100

9

,4:

25

2

1)Number on cards are 2 to 101

Even number are 2,4,6,..,100=50

Probability that it's an even number =50/100=1/2

2)Numbers less than 14 are 2,3,4,5,6,7,8,9,10,11,12,13=12

Probability=12/100=3/25

3) Perfect square are=4,9,16,25,36,49,64,81,100=9

Probability=9/100

4) PRIME number less than 20 are 2,3,5,7,11,13,17,19=8

Probability=8/100=2/25



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