A card is drawn from a pack of 100 cards numbered 1 to 100. find the probability of drawing a number which is
1. a perfect square
2. multiple of 6
3. a two-digit number
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no. of perfect sq. = 10 ( 1, 4, 9, 16, 25, 36, 49, 64, 81, and 100)
no. of multiple of 6 = 16 (0, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96)
no. of two digit numbers = 90
- 10/100 = 1/10
- 16/100 = 4/25
- 90/100 = 9/10
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