In a row of girls, Abi is 15th from the left and Suchi is 23rd from the right. If they interchange their positions, Abi becomes 18th from the left, then how many girls are there in the row?
Stop the "differentiation" in society, it is "integration" what we need.
ChaZ-E
Mathematics has 25%formulas, 25%proofs and apply 25%thinking and 25%efforts.
In real life situations proofs are nothing but already existed stories(we know the solutions from all experienced people).
formulas are nothing but goals. we have so many goals b