Divisibility by 2 Rule
Almost everyone is familiar with this rule which states that any even number can be divided by 2. Even numbers are multiples of 2. A number is even if ends in 0,2,4,6, or 8.
Ex.
2
0
4
-2
-312
31,102
Divisibility...
Mixture and Alligation questions concept with tricks
Mixture and Alligation based Questions
Question Type -1
In X gram mixture of milk and water, milk is P %. To make the quantity of milk in the mixture to be Q %, the quantity of milk added to the mixture will be.
Trick:
X{(Q-P)/(100-Q)}
Ex....
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