Mathematics
Grade-4-
Easy

Question

In a lottery there are 10 prizes and 25 blanks. The probability of getting prize in a single draw is

  1. 2 over 7
  2. 5 over 7
  3. 1 fifth
  4. 1 half

hintHint:

Probability of an event = Number of favourable outcomes / Total number of outcomes.

The correct answer is: 2 over 7


    Here, it is given that in a lottery, there are 10 prizes and 25 blanks. We have to find the probability of winning a prize.
    Total number of outcomes = Number of prizes + Number of blanks
    = 10 + 25
    = 35
    Number of favourable outcomes = Number of prizes = 10
    Therefore, P ( getting a proze ) = 10/35
    = 2/7
    Hence, the correct option is (a).

    0 ≤ P (E) ≤ 1

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