Question

(ntse exam question) A number is selected at random from first 50 natural numbers. The probability that selected number is a multiple of 3 or 4 is:

Answer 1

Answer:

multiple of three and four will be the multiple of their LCM

so LCM of 3 and 4 is 12

number of favorable outcome are 12,24,36,48

total number of outcome are 50

so probability is equal to=4/50=2/25

Answer 2

Answer:

the probability is 2/25