Question

A number was chosen at random from the first 300 three digits natural numbers. Find the
(C) 6
14.
probability of it ending with a zero
(A)
15
1
(C)
10
(B)
1
25
(D)
1
20
Thu that the month is either March

Answer 1

Answer:

Three digit numbers are 100,101,...,999

Total numbers =900

Three digit number (which have all same digits) are 111,222,333,...999

∴ Favorable number =9

∴ Required probability =

900

9

=

100

1