To get the answer type 2•4•3+2•4•2+2•3•2
in to a calculator And you’ll get “52m”
 
        
                    
             
        
        
        
The height of the right cone is 10.68 unit
<h3>What is Volume ?</h3>
Volume is defined as the space occupied by a three dimensional object.
Volume of a right cone is given  by
V = π r²h/3
C = 2 π r
r = 247/2 π 
 3 * 17287 =  π  r²h
 3 * 17287 =  π *(247/2 π )²h
h = 51861 *π *4/61009
h = 10.68 unit
Therefore the height of the right cone is 10.68 unit.
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 280 adults were there in the train.
What is linear equation definition and example?
- The definition of a linear equation is an algebraic equation in which each term has an exponent of one and the graphing of the equation results in a straight line.
-  An example of linear equation is y=mx + b. noun. 20. 
- A polynomial equation of the first degree (such as x = 2y - 7)
Given,
       Total children are in the train = 40
      1/8  are children in train and no of children in train ,
       ∴ 1/8 × x = 40
      x = 40 × 8 ⇒ 320
The no of  passenger in train  = 320
in total passenger, 40 are children . 
So, rest adults passengers are = 320 - 40 ⇒ 280 
There fore, 280 adults were there in the train.
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The correct answer is 3/4