Visualizing the situation : 2 Marks
Steps : 1 Mark
Result : 1 Mark
Let Aditya have x pencils
Now 4 times the number of pencils which aditya has is 4×x=4x
10 greater than 4x=4x+10
Now, each pencil costs Rs 3.
Cost of 4x+10 pencils is
=3×(4x+10)⇒3(4x+10)
Now, given that the total cost is Rs 162, we get
3(4x+10)=162
⇒12x+30=162
⇒12x=132
⇒x=13212=11