Infosys Aptitude Paper 1 - Quant MCQ

A conductor in the bus ask the man how old the boy is.the man replied that my son is five times older than my daughter and my wife is five times older than my son and i am twice older to my wife and our ages summed up to my grandmother whose age is 81 years.can u tell me the son age?

one boy tells three people to guess mule color..
number one says its not black
number two says its either brown or grey
number 3 says its brown.
..the boy then says one is at least lying ans at least telling truth...fine mule color

A Lady (say L) is a philanthropist. she goes to a restaurant,orders food and pays half the amount she has and another dollor to a waiter as tip. she then goes to a mall, does some purchases and pays half the amount left and another 2 dollors to a beggar outside. At last she goes to a book store, takes some books and pays half the amount left and another 3 dollors to a beggar outside. she then checks that she only had a dollor left to her. How much money she had initially?

Impressed by admiration of the boy by stranger, the father said My son is five times as old as my daughter and my wife is five times as old as my son. Im double the age of my wife and my grandmother is as old as the sum of ages of all of us and she is celebrating her 81st birthday. what is the age of the boy?

Harry is a friend of Axy and Amy. Two statements are given about
them.
1. if one of Axy and Amy is oldest then another is youngest.
2. Either Harry is the oldest or Amy is the youngest.
Who is the oldest?

Sons age is 5 times daughters. mother is five times son. father is 5 times wife.

Total of all age is Grandpas who is celebrating 81st Bday.

One woman buys plates worth 1.30$ at 2 cent discount each plate. Then she exchanged the plates for sausers & bowl where one bowl & one sausers costs equal to one plate. no of sausers which costs 3 cent is 10 more than bowl. no of saucers & bowl is 16 more than no of plates.

One-sixth of my life, said my boss, I spent as a child, next one-twelfth as an old boy, one-seventh & 5 more years in politics & socialization. This brought me up to when Jimmy born. Jimmy was elected for the governer four years ago, when he was half my present age. How old is my boss?

A tree on first day grows 1/2 of its size second day 1/3rd of its size on the previous day similarly than 1/4th and so on.u have to calculate after how many days the tree will be 100 times of its original size.

A car traveling with uniform speed. There r 15 poles. A car travel from 1 to 10th pole in 10 seconds. the poles are equally spaced. then how many seconds it takes to reach the 15th pole? 

A boy jump to the river from the bridge. He swim opposite direction of the stream. After 1000 yards he noted that his hat was fallen at the bridge. The he goes to take the hat. He did not change his speed.What is the velocity of stream? 

Mrs. Barbinger bought some plates on Saturday for $1.30, when everything was being sold two cents below the regular price. She exchanged those plates on Monday, at their regular price, for cups & saucers. Cost of one plate equals cost of one plate & one saucer. She returned home with 16 more articles than before. Since, saucers cost only 3 cents each, she bought 10 more saucers than cups. The puzzle is, how many cups could she have bought on Saturday, for $1.30?