What is the number of zeros of the product of the first 100
numbers ?
Answer Posted / daya
the product of (even number) and 5 results in "0" of unit's
place.
no. of 5's from 1 to 100 = 100/5 = 20
but in 25, 50, 75 and 100, there is one more 5
25 = 5*5*1
50 = 5*5*2
75 = 5*5*3
100= 5*5*4
four 5's extra
therefore no. 0f F's = 20+4 = 24
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
the graph was given.the x and y axes were there.the line is intersecting them.the points of intersection were y=3,x=0 and x=-2,y=0.write the equation of line.
how 1000000000 can be written as a product of two factors neither of them containing zeros
mukesh and anil ambani invested amount in business and made in the ration 17:13 and made some profits. if mukesh earned 800 rs more than anil. then what is the profit they have earned....?
Every day a driver comes to pick up a man at his office at 6pm. One day the man gets free early and rather than waiting for the driver, he starts walking for home at 4:30pm. The man meets the driver on the way and then reaches home 30minutes earlier than usual. What is the usual time that man takes to reach home from the office?
A boy picks up the phone and asks" who are you?" The voice from the other side answers" I am your mother's mother in law".What is the relation of the boy with the fellow speaking at the other end.
In a group of 15,7 have studied Latin, 8 have studied Greek, and 3 have not studied either.How many of these studied both Latin and Greek
If LOAD = MPBE and DRIVE = ESJWF Then LADDLER = ?
Each row of letters or numbers has a rule connecting them. Write the next number or letterin the brackets. K , A , J , B , I , C , H , (_ _ _)
A sales person multiplied a number and get the answer is 3, instead of that number divided by 3. what is the answer he actually has to get ? (1/3). 7. A ship started from port and moving with I mph and another ship started from L and moving with H mph. At which place these two ships meet ?
Sky Heaven is a 16 stored building with 12000 sq. feet on each floor. Zintac International rents 7 floors and Zobia International rents 4 floors. What is the number of sq. feet of unrented floor space?
Find the next number in the series. 1, 0.5, 0.25, 0.125
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.
0.512 * 18902358 =?
A car is traveling at a uniform speed. The driver sees a milestone showing a 2-digit number. After traveling for an hour the driver sees another milestone with the same digits in reverse order. After another hour the driver sees another milestone containing the same two digits. What is the average speed of the driver.
There are 1000 doors that are of the open-close type. When a person opens the door he closes it and then opens the other. When the first person goes he opens-closes the doors ion the multiples of 1 i.e., he opens and closes all the doors. When the second goes he opens and closes the doors 2, 4 6 8 rely. Similarly when the third one goes he does this for 3 6 9 12 15th doors rely. Find number of doors that are open at last.