【 】The sum of 3 consecutive odd numbers is 183 .What is the second number in this sequence ?
The sum of 3 consecutive odd numbers is 183 .What is the second number in this sequence ?
Solution:
We need to find out the third odd number from consecutive odd number sequence.
Step-1:
We have to have knowledge about odd number . If you divide a odd number by 2 ,you will get a remainder.,i.e. an odd number is not exactly divisible by 2.
Now you have to understand about consecutive odd number.The difference between two consecutive odf number is always 2.
Step-2:
Say,the first odd number is x.
So, the second odd number will be x+ 2. Thus, the third consecutive odd number will be x+4 .
Have a look here.
The three consecutive odd numbers are x, x+2,x+4 ,respectively.
Step-3:
According to the conditions,the sum of 3 consecutive odd numbers will be 183.
So, we are getting the following equation
x +( x+2)+(x+4) = 183
Or, 3x + 6 = 183
Or,3x + 6 – 6 = 183 - 6 [ Deduct 6 from both sides ]
Or, 3x + 0 = 177
Or, 3x = 177
Or, 3x/3 = 177/3
[Divide both sides by 3]
Or, x = 59
Now put the value of x here:
x, x+2,x+4
= 59, 59+2 , 59+4
=59, 61, 63
So, the second number of this sequence is 61.
Answer:61
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