self Maths Puzzle

What is the probability of finding exactly 33 multiples of 3 when 100 consecutive
natural nos are selected?
(a)1/3
(b)2/3
(c)1 (d) none of these

Read Solution (Total 2)

(b)2/3
out of 3x,3x+1,3x+2 as starting numbers,
Only case when starting no. is 3x we'll get 34 multiples of 3.
12 years agoHelpfull: Yes(0) No(1)

(a) 1/3
out of 100 consecutive natural nos multiples of 3=33or34
33/100 =1/3
11 years agoHelpfull: Yes(0) No(0)

self Other Question

There are seven persons up on the ladder. 'A' is further up than 'E' but is lower than 'C', 'B' is in the middle. 'G' is between 'A' and 'B'. 'E' is between 'B' and ?F?. If 'F' is between 'B' and 'D', then the person on the top of the ladder will be From the money that Ajay has, he gives as much to Bunti as much as Bunt i has
with him. Bunti then dives as much money to Chintu as much as Chintu has with
him. Finally Chintu gives as much money to Ajay as much as Ajay had before
Chintu gave home the money. How much money did each of the three friends
Ajay, Bunti, and Chintu have with them initially if between them they have totally
Rs 48 and after the transactions each of them have equal amounts?