A clock gives 4 ticks consequetively. After days it has
become defective & gives only 2 ticks. What is the
probability that clock produces 3 ticks consequetively?

Answer Posted / soma dey

after being defective it gave 2 ticks for 3 consecutive times..
so the probability is 1/2*1/2*1/2=1/8

Is This Answer Correct ?    21 Yes 10 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

There are 1000 junior and 800 senior students in a class. And there are 60 sibling pairs where each pair has 1 junior and 1 senior.1 student is chosen from senior and 1 from junior randomly.What is the probability that the two selected students are from a sibling pair?

838


a, b, b, c, c, c, d, d, d, d, . . . . . . Find the 288th letter of this series?

984


The mean of 100 bags was found to be 30. What will be the correct mean if at the time of calculation two bags were wrongly taken as 32 and 12 instead of 23 and 11?

894


Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates. Which of the following, if true, most weakens the argument above? While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time. Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish. Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait. Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.

1895


Given 10 alphabets out of which 5 are to be chosen. How many words can be made with atleast one repetition.

738






A train blows a siren one hour after starting from the station. After that it travels at 3/5th of its speed it reaches the next station 2 hours behind schedule. If it had a problem 50 miles farther from the previous case,it would have reached 40 minutes sooner. Find the distance between the two stations .

685


Two trains at speed 60 km/hr come in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?

770


The price of sugar increases by 20%, by what % house-wife should reduce the consumption of sugar so that expenditure on sugar can be same as before

723


In a class the average age is 16yrs.if the teacher who is 40 yrs of age is also included ,the average becomes 17yrs,how many students were there?

688


How many five digit numbers are there such that two left most digits are even and remaining are odd?

850


PROCESS FLOW IN LOGISTICS

1589


A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was travelling at a speed of 45 mph. find the speed limit .

775


Find the next series number 0, 6, 24, 120, 210, ---, ----

715


The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders.?

796


A person runs 6 ft in 1/4 sec. how much it will run in 10 sec.

801