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

Sundar Kumar   9 years AGO

Average = (Sum of all numbers) / (the number of terms)
Average =(19+16+13+9+3 )÷5 = 12
Answer Option 2) 3

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CROSSWIN   9 years AGO

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

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Sushil Singh   9 years AGO

(19+ 16+ 13 + 9+x)/5 = 12
hence, x = 60-57
x=3

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Balakumaran N.A   9 years AGO

lets take x as 5th number and Sum : 19+16+13+9+x = 60
then, x=3

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kranthi kanchanapally   9 years AGO

Average of 5 num is=12 then sum=60
the first 4 num sum 19+16+13+9=57 then the 5th num is=3

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atmakuri jagadish   9 years AGO

(19+16+13+9+x)/5 = 12
57+x = 60
So, x is 3

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shaik sharina   9 years AGO

5*12=60
sum of 4 numbers is=57
5th number is=60-57=3

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kalyani   9 years AGO

(19+16+13+9+x)/5=12
x=3

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Meenakshi   9 years AGO

Let the 5th number be x
19+16+13+9+x=5*12
57+x=60
x=3
So,5th number is 3

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bhavya   9 years AGO

let 5th number be x
(19+16+13+9+x)/5 = 12
57+x = 60
x = 3

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Devendra Marghade   9 years AGO

5th number= Total of 5 numbers - Sum of 4 numbers
=12*5- (19+16+13+9)=3

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aman aditya   9 years AGO

average of five no is 12. i.e total=12*5=60
19+16+13+9=57
5th no=60-57=3

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Yathiraj   9 years AGO

If Avg of 5 number is 12 then
Sum of 5 numbers will be 60
The sum of given 4 numbers is 57 and hence, the 5th number is 3

Option 2.

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MRITUNJAY   9 years AGO

total sum of number =12*5=60
fifth number is 60-(19+16+13+9)=3

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ANANTHI.P   9 years AGO

sum=5*12=60
sum of four nos=57
5th no=60-57

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sc mandota   9 years AGO

60-19-16-13-9=3

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Muhammad Nadeem Haider Naseem   9 years AGO

let the number be X
19+16+13+9+X/5=12
57+X=60
X=60-57=3

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kishore   9 years AGO

total = 5*12 = 60
so 13+16+19+9+x = 60
x = 3

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gaurav   9 years AGO

12*5=60 and sum of 19+13+16+9=57
thn 60-57= 3

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Ashwin Dinesh   9 years AGO

x = 60-57 = 3

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vivek   9 years AGO

60-(19+16+13+9)=3

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poojasaisri   9 years AGO

Average=(Sum of quantities )/ (No of quantities)
12=(19+16+13+9+x)/5
60=57+x
=>x=3

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Abhishek Ranjan   9 years AGO

sum of the 5 nos- 12×5= 60
sum of 4 nos= 57
so 5th no = 3

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ANUJ KUMAR   9 years AGO

sum of all n numbers/n=avg value
here n is 5

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Samrat Adhikari   9 years AGO

Total of 5 numbers = (12*5) = 60
sum of 4 numbers = (19+16+13+9) = 57
so 5th number = (60-57) = 3

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pavan kumar   9 years AGO

Given,19+16+13+9+x=(12*5)
=> x=3(ans)

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Aritra Chongdar   9 years AGO

the 5th number will be ={(5*12) - (19+16+13+9)}
= 3

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Vaibhav Srivastava   9 years AGO

sum of five numbers = 12 * 5 = 60;
sum of four numbers = 19 + 16 + 13 +9 = 57;
fifth number = 60 - 57 = 3.

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siddharth prakash singh   9 years AGO

since average of 5 number is 12.
so total of 5 number is 12*5=60
sum of 4 given nos=57
so 5th no=60-57=3

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Dileepkumar Palli   9 years AGO

Sum of the numbers are 60
So 57+x=60
=>x=3

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praveena   9 years AGO

average=sum of the terms/no.of terms
12=(19+16+13+9+x)/5
12=(57+x)/5
60-57=x
x=3

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Amit   9 years AGO

19+16+13+9+x=5*12
=> x=60-57
x=3

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mahak saha   9 years AGO

sum of 5 no.=60
hence 5th no=60-(19+16+13+9) =3

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M.Ranjith Kumar    9 years AGO

5x12=60,
19+16+13+9=57
the Last no should be 60-57=3

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yadagiri reddy   9 years AGO

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

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A M ANKIT KALLURAYA   9 years AGO

(19+16+13+9+x)/5=60
x=3

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nishi   9 years AGO

x+19+16+13+9=5*12
x=3

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guru   9 years AGO

Sum of the five numbers= 12*5=60
Sum of the four numbers=19+16+13+9=57
So, the fifth number= 60-57=3

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Gurram Rajakumari   9 years AGO

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

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vibhu raj gupta   9 years AGO

sum of the no is=60
5th no. is =60-57=3

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Amit Singh   9 years AGO

19+16+13+9+X=5*12
X=60-57
X=3

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BAIPOTU SUMAN   9 years AGO

simple average problem

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Math Lovers   9 years AGO

sum of 5 number= 5*12 =60
sum of 4 number = 57

5th number=3

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Dark Knight   9 years AGO

(19+16+13+9+x)/5=12
x=3

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Thejas   9 years AGO

(57+x)/5=60
so
x=3

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sompon temtheerakij   9 years AGO

5th number = (5x12)-19-16-13-9 = 3

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madhulikadoggala   9 years AGO

assume 5th no be x
then (19+16+13+9+x)/5=12
then we will get x = 3

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Preethi   9 years AGO

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

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Pranati Kundu   9 years AGO

let the no. be x
9+16+13+9+x=60
x=3

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julee verma   9 years AGO

(19+16+13+9+x)/5=12
57+x=12*5
x=60-57
x=3 ans...

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T LAVANYA   9 years AGO

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

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saranya.s   9 years AGO

Answer: option:2 - 3
Solution: 19+16+13+9+x /5 = 12
x=3

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Paresh   9 years AGO

(19,+16+ 13 + 9 +x)/5=12
x=3

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p.supriya   9 years AGO

(x+19+16+13+9)/5=12
x+57=12*5
x=60-57
x=3

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Mayuranathan N   9 years AGO

5*12=60

19+16=35
35+13=48
48+9=57
57+x=60
60-57=x
x=3

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rajashekhar reddy   9 years AGO

sum of four numbers is 57 so remaining 3 will be the answer to get average of 5 numbers as 12

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ruparani thunuguntla   9 years AGO

average=sum of observations/no of observations
hence 19+16+19+9+x=12*5
=>x=3

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jai kant sharma   9 years AGO

12*5-(19+16+13+9)=3

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Mohit   9 years AGO

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

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a.k.gayathridevi   9 years AGO

19+16+13+9+x=12*5=60
x=3

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Mathew Joy   9 years AGO

12*5=60
60-(19+16+13+9)=3

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asha rani dunga   9 years AGO

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

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Jaya   9 years AGO

avg of 5 nos. 12 so 12 * 5 = 60, 4 nos are 19, 16, 13 , 9 their total is 57 so 60-57 = 3

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jitendra kumar   9 years AGO

12×5=60
19+16+13+9=57
60_57=3

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sapan kumar agrawal   9 years AGO

(19+16+13+9+x)/5=12
x=5

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veja karavadara   9 years AGO

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

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Jailani   9 years AGO

(19+16+13+9+x)/5=12

(19+16+13+9+x)= 60

(57+x)=60

x=3

x=3

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prabhat kumar   9 years AGO

12*5=60
19+16+13+9=57
so 5th no. is 3.

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SAGNIK DATTA   9 years AGO

average of 5 numbers=12 so total=60
so 5th no.=60-(19+16+13+9)=3

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Surit Datta   9 years AGO

19 + 16 + 13 + 9 +3 = 60
60 / 5 = 12
so the number is 3
so option 2
that's it

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Anuradha   9 years AGO

(19+16+ 13 + 9+ x)/5=60
=> 57 + x =60
=> x=3

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Karthick Raja   9 years AGO

Average of 5 number is 12
(19+16+13+9+X)/5 = 12

57+X = 12*5

57+X = 60

X = 60-57

X = 3
5 th number is 3 (Ans)

Like? Yes (1) | No (1)  

sahil soni   9 years AGO

average of five numbers= 12
sum of numbers/ 5= 12
19+16+13+9+ fifth number= 60
so fifth number is =60-57 =3

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Shiva Teja   9 years AGO

average of the 5 numbers is 12.

Sum of the 5 numbers=12*5=60

four numbers are 19,16,13,9.

The 5th number=60-(19+16+13+9)=3

Like? Yes (1) | No (1)  

VAGU RAGHAVA ANJANI DIVYAVANI   9 years AGO

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

Like? Yes (1) | No (1)