top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

    Get Free Puzzle Updates

Facebook Login
Site Registration

Average of five numbers is 12. If four of the numbers are 19, 16, 13 and 9 then what will be the 5th number ?

+1 vote
92 views
posted May 11, 2015 by Sidharth Malhotra

Share this puzzle
Facebook Share Button Twitter Share Button Google+ Share Button LinkedIn Share Button Multiple Social Share Button

5 Solutions

+2 votes

19+16+13+9+x=57+x
57+x/5=12
57+x=60
x=3

therefore, the no. is 3

solution May 12, 2015 by Naga Jyothi
+1 vote

19+16+13+9+3=60/5=12 ,, ans is 3

solution May 11, 2015 by Ankit Kamboj
0 votes

let the fifth number be x.
we have
(19+16+13+9+x)/5=12
57+x=60
x=3

solution Mar 11, 2016 by Ashutosh Kumar Anand
0 votes

Let 5 numbers are - x, y, z, a, b

Now their average is :-
(x+y+z+a+b)/5 = 12
19+16+13+9+b = 60
b = 60-57
b = 3

Ans : 3

solution Mar 30, 2016 by Neha Gupta
0 votes

19+16+13+9 = 57
Avg = 12, So Total = 12*5 = 60

5th Number = 60-57

=**3**
solution Apr 1, 2016 by Sarath Chandran



Similar Puzzles
0 votes

x more than 50% fishes of a pond are taken and fishes equal to square root of total number of fishes are sold for aquarium purposes. 1 more than 10% of the remaining fishes are purchased by a shopkeeper and fishes equal to square root of the number of fishes purchased by shopkeeper are sold for food purposes.
If 16 fishes are sold for food purpose, then what will be the minimum possible value of x ?

0 votes

Out of three given numbers , the first one is twice the second and three times the third.
If the average of these numbers is 88, then what is the difference between first and third ?

0 votes

The sum of all digits of a 5 digit number is equal to the number of two digit formed by using the ten thousands and hundreds place digit in order.
If five digit number has 1, 2 , 3 & 4 and no digit is repeated in the number, then What are the total number of possible number?

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#470/147, 3rd Floor, 5th Main,
HSR Layout Sector 7,
Bangalore - 560102,
Karnataka INDIA.
QUERY HOME
...