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__Percentage based Questions__

__Percentage based Questions__

## Question Type -1

If there is increase of X% and subsequently X% decrease then there is always loss / decrease in the condition.

### Trick: (X*X)/100

**Ex**. If Ruhan salary is increase by 50% and subsequently decrease by 50%. How much percentage loss?

Ans. Use trick: 50x50/100= 25% decrease/loss

## Question Type -2

### (Two Successive Discounts)

What single discount is equivalent to two successive discounts of X% and Y%

### Trick: (X+Y)-{(X*Y)/100}

**Ex**.What single discount is equivalent to two successive discounts of 10% and 20% ?

Ans. Use trick: (10+20)-(10*20)/100= 28%

## Question Type -3

### (Two Successive Increases)

What single Increase is equivalent to two successive Increases of X% and Y%

### Trick: (X+Y)+{(X*Y)/100}

**Ex**.What single Increase is equivalent to two successive Increases of 10% and 20% ?

Ans. Use trick: (10+20)+(10*20)/100= 32%