In a village the number of houses and the number of flats are in the ratio 7 : 4 the number of flats and the number of bungalows
1 answer:
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3 + 4 = 7 all marables in bag
The probability that the first marable is black
The probability that the second marable is black too
Together:
The probability that the first marable is black
The probability that the second marable is black too
Together:
let x feet be the highest of the boxes , and y be the number of boxes.
the answer is coming as 15 feet for 20 boxes and 12 boxes to reach the ceiling of 9 feet high
