प्रतिशत सीखे | percentage for fast calculation | percent but fast | amezing maths tricks #shorts

Percentage Purity || Percentage Yield || Class Illustrations with Short Tricks

The owner of a boutique decides to calculate the percentage of customers who purchase hats.If 40 percent of the stores customers decide to purchase items,and of those customers 15 percent purchase hats,what percent of the stores customers purchase hats? 4% b.6% c.15% d.24%

The cost price of an article is 64% of the marked price.Calculate the gain percent after allowing a discount of 12%.37.5% b.48% c.52% d.50.5%

In the given bar graph, the percentage decrease in the number of students in Institute A in 2016 is what percent of students in 2015. इस दंड आरेख में संस्थान A में 2016 में छात्रों की संख्या में प्रतिशत कमी 2015 के छात्रों की संख्या का क्या प्रतिशत है ?

If a double stranded DNA has 20% of cytosines, calculate the percent of adenine in the DNA.

The profit earned on an article is 25%. If profit is calculated on the selling price, then what will be the profit percentage? किसी वस्तु पर कमाया गया लाभ 25% है | यदि लाभ की गणना विक्रय मूल्य पर की जाती है, तो लाभ का प्रतिशत क्या होगा ?