Latest TCS Aptitude Question SOLUTION: how many zeros are there in 50!

• Placement Papers
• /
• TCS
• /
• Logical Reasoning
• /
• Mathematical Reasoning

TCS Question Papers: TCS Interview Experience(91) TCS Company Profile

(#M40153498) TCS Logical Reasoning question Keep an EYE

how many zeros are there in 50!

Asked In TCS MADHUBABU (9 years ago)

Solved meghdipa manna Read Solution (7)

Is this Puzzle helpful?   (18)   (2) Submit Your Solution Mathematical Reasoning

Read Solution (7) :

meghdipa manna  (9 years ago) Best Solution

To find the number of trailing zeroes in 50! factorial we must find the number of integral values in :
50/5 + 50/5^2 + 50/5^3 +.........
= 10+2+0+0....
=12

Is this solution Helpfull? Yes (19) | No (4)  

payal  (9 years ago)

ans = 12
50/5=10
10/5=2
10+2=12

Is this solution Helpfull? Yes (5) | No   

Harendra A  (9 years ago)

(50/5)+(10/5)

Is this solution Helpfull? Yes (4) | No (5)  

RAJ KUMAR  (9 years ago)

by remainder theorm....(you can check in arun sharma)..
(50/5)+(50/5*5)=10+2=12

Is this solution Helpfull? Yes (3) | No   

prathyusha  (9 years ago)

5 those are 50,40.30.20,10 end of zeros

Is this solution Helpfull? Yes | No (9)  

prakash kasera  (9 years ago)

Make a equilateral triangle by segmentation of centres of all the three unit circle each side will be 2 units.now draw a circle circumscribing the equilateral triangle .let r be the radius of that circle.
Now (area of equi triangle will be =abc/4r) where a,b,c are the sides of equi tringle.get value of r and add 1 to find radius of bigger circle.

Is this solution Helpfull? Yes | No (3)  

Saunak Das  (9 years ago)

No of zeros in 50! = 50/5+50/5^2+50/5^3+....=10+2+0+0....+0=12.

Is this solution Helpfull? Yes | No (1)  

Please Login to Read Solution.