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 prob

2 thoughts on “<br />18. A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random<br />from the box, find the prob”

1. answer –

   1. P ( 2-digit no. ) = 81/90 = 67/30

   2) P ( a perfect square ) = 9/90 = 1/10

   3) P ( number divisible by 5 ) = 18/90 = 1/5

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2. [tex]\huge{\underline{\underline{\bf{\purple{answer}}}}}[/tex]

   1) P ( 2-digit no. ) = 81/90 = 67/30

   2) P ( a perfect square ) = 9/90 = 1/10

   3) P ( number divisible by 5 ) = 18/90 = 1/5

   Reply