Question

A box contains cards numbered 11 to 123. A card is drawn at random from the box.
Find the probability that the number on the drawn card is
(i) a square number
(ii) a multiple of 7

Answer 1

square numbers from 11-123 =16,25,36,49,64,81,100,121
total square number=8
total cards=112
P(a square number=l)=8/112
multiple of 7 from 11-123=14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119
total multies of 7=16
P(multiples of 7)=16/112

HOPE IT HELPS YOU!

Answer 2

hii hru

ANSWER.

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 Total square number from 11 to 123 = 8

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 Total square number from 11 to 123 = 8Total cards numbered from 11 to 123 = 113

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 Total square number from 11 to 123 = 8Total cards numbered from 11 to 123 = 113i) P(a square number) = 8/113

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 Total square number from 11 to 123 = 8Total cards numbered from 11 to 123 = 113i) P(a square number) = 8/113Multiples of 7 from 11 to 123 = 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 Total square number from 11 to 123 = 8Total cards numbered from 11 to 123 = 113i) P(a square number) = 8/113Multiples of 7 from 11 to 123 = 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119Total multiples of 7 from 11 to 123 = 16

Square numbers from 11 to 123 = 16, 25, 36, 49, 64, 81, 100 and 121 Total square number from 11 to 123 = 8Total cards numbered from 11 to 123 = 113i) P(a square number) = 8/113Multiples of 7 from 11 to 123 = 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119Total multiples of 7 from 11 to 123 = 16ii) P(a multiple of 7) = 16/113

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