Question
Toxicity of which element leads to the unavailability of
iron and zincSolution
P is antagonistic to Fe Ans Zn. Hence, excess availability of P leads to the deficiency of Fe and Zn.
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Two hats are picked at random, what is the probability that all hats are of green colour?
Sita tells the truth in 80% of cases and Geeta tells the truth in 30% of cases. Find the probability that at least one of them tells the truth.
Two cards are drawn successively without replacement from a standard deck of 52 cards. Find the probability that both cards are of the same suit.
A bag contains 8 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the num...
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A five digits number is chosen at random. What is the probability that all the digits are distinct, the digits at odd places are odd and the digits are ...
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is 3 times that of drawing a white ball, find the ...
A box holds a total of 'p' purple balls and 5 silver balls. Two balls are drawn sequentially without replacement. The probability that both selected bal...
When two dice are thrown, what is the probability that sum of the number appeared is 4 or 5?
