Anirudh had 25% more DVD's than he has, he would have twice as many as if he had given away 126 of them. How many DVD's does Anirudh have?
168
number of DVD's now =x, number of DVD's before =y = x+25%=1.25x (y-126)*2=x => (1.25x-126)*2=x => x=168
While playing with dolls, Kavya realised that if she had 15 more, she would own a quarter as many dolls as Sana. But if Sana owned 20 fewer, she would still have five times more dolls than Kavya. How many dolls does Kavya own?
Grandma sent Johnny some money for his birthday. Johnny spent all of it in five stores. In each store, he spent $1.00 more than half of what he had when he came in. How much money did he get from grandma?
A man goes to a train station randomly once a day and catches a train. There are the same number of trains departing south as there are north, but the man catches twice as many trains south as he does north. Why?
