cards marked with number 3,4,5....50 are played in a box and mixed throughly one card is drawn at random from the box.find the probability that number on the drawn card is :• (1) divisible by 7 (2) a number which is a perfect square
Zainab1283:
yah!
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Pahla
nope its right
its inof guys
we have seven multiples of 7 between 3 and 50
7 14 21 28 35 42 49
ya its correct
hm
ok koi bat nahi ho jati hai galti
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1) Favourable cases
7,14,21,28,35,42,49.
Favourable outcomes equals seven.
Total outcomes equals to 48(because 1 and 2 are not included in the count)
Probability=7/48
2)Favourable cases
4,9,16,25,36,49
Favourable outcomes equals to seven.
Total outcomes equals to 48.
Probability=6/48=1/8.
Hope this would have been clear to you.
Mark a the brainliest.
7,14,21,28,35,42,49.
Favourable outcomes equals seven.
Total outcomes equals to 48(because 1 and 2 are not included in the count)
Probability=7/48
2)Favourable cases
4,9,16,25,36,49
Favourable outcomes equals to seven.
Total outcomes equals to 48.
Probability=6/48=1/8.
Hope this would have been clear to you.
Mark a the brainliest.
thank you so much
Your welcome and mark as the brainliest
ok
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