Aptitude - Percentage - Discussion

10 percent of 100 is 10.

I even don't understand the question.

In such cases always assume some value for x and y.

Let x = 100 and y = 100. (Note-always assume value which is divisible by denominator).

Now A = x%y.

A = x/100*y, but we substitute the assumed value of x and y.

A = 100/100*100 (x = 100, y = 100 assumed value).

You will get:

A = 100.

Now move to next part.

B = y%x.

B = x/100*y, but we again substitute the assumed value of x and y.

B = 100/100*100 it will give you.

B = 100.

Now A = 100 and B = 100 therefore you can say that A = B.

@Abhi.

10% of 100 is 10 only not 90, if it is 10% lower by 100 then it is 90.

I agree with @Mala, Why C is not the correct answer? Even I got the answer A = B.

In a club 40% of the members were female. 40 new male became a member of the club and as a result, the percent of female members dropped to 30%. How many females member are there in the club now?

Can anyone solve this?

Amar, Anoop, and Aparna shared a certain amount among themselves such that Amar gets 20% more than Anoop and Anoop get 20% more than Aparna. Aparna got Rs 176 less than Amar. How much amount did Anoop get?

Can anyone solve this?

And, I did understood problem no. 5.

I think 160 females.

I didn't understand the problem. So please clarify me.