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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
Answer: Option 2 Let the capacity of the tank be 100 litres Initially: A type petrol = 100 litres After first operation: A type petrol = $$\frac{{100}}{2}$$ = 50 litres B type petrol =...
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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
Answer: Option 2 Let the capacity of the tank be 100 litres. Then, Initially : A type petrol = 100 litres After first operation : A type petrol = $$\left( {\frac{{100}}{{2}}} \right)$$ = 50 litres...
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Ten years ago, a man was seven times as old as his son. Two years hence, twice his age will be equal to five times the age of his son. What is the present age of the son ?
Answer: Option 3 Let son's age 10 years ago be x years. Then, man's age 10 years ago = 7x years Son's present age = (x + 10) years, Man's present...
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There are five persons sitting on a bench. Blue eyed lady sitting in the middle is my mother. At the extreme left, the man with grey hair is my maternal uncle. Lady sitting at the extreme right is having a pimple on her nose and is the wife of person who is sitting between blue eyed lady and grey haired man and has a pointed nose. A lady having marks on her face is the younger sister of the blue eyed lady and sitting on the remaining fifth place. The person having a pointed nose is the son of the blue eyed lady. What is the lady having marks on her face to the man sitting at extreme left ?
Answer: Option 3 The man sitting at the extreme left is my maternal uncle and the lady having marks on her face is my mother's sister. Hence, the lady having...
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Rohit was walking on the street, one boy requested him to donate for cancer patients welfare fund. He gave him a rupee more than half the money he had. He walked a few more steps. Then came a girl who requested him to donate for poor people's fund for which he gave two rupees more than half the money he had then. After that, again a boy approached him for an orphanage fund. He gave three rupees more than half of what he had. At last he had just one rupee remaining in his hand. How much amount did Ram have in his pocket when he started?
Answer: Option 3 Let X be the rupees he initially had. He gave for the cancer fund one rupee more than half of what he had. i.e.,[1 +(X/2)]. Remaining money = X-(1+X/2) =...
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A man sells chocolates which are in the boxes. Only either full box or half a box of chocolates can be purchased from him. A customer comes and buys half the number of boxes which the seller had plus half box more. A second customer comes and purchases half the remaining number of boxes plus half a box. After this the seller is left with no chocolate boxes. How many chocolate boxes the seller had initially?
Answer: Option 2 The best way to go through the options Let there are initially 3 boxes then, 1st customer gets = $$\frac{3}{2}$$ + $$\frac{1}{2}$$ = 2 Remaining boxes = 3 - 2...
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Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar?
Answer: Option 3 Only son of Amar's mother's father---Amar's maternal uncle. So, the girl's maternal uncle is Amar's maternal uncle. Thus, the girl's mother is Amar's aunt.
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Danielle has been visiting friends in Ridge-wood for the past two weeks. She is leaving tomorrow morning and her flight is very early. Most of her friends live fairly close to the airport. Madison lives ten miles away. Frances lives five miles away, Samantha, seven miles. Alexis is farther away than Frances, but closer than Samantha. Approximately how far away from the airport is Alexis?
Answer: Option 4 Alexis is farther away than Frances, who is five miles away, and closer than Samantha, who is seven miles away.
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Erin is twelve years old. For three years, she has been asking her parents for a dog. Her parents have told her that they believe a dog would not be happy in an apartment, but they have given her permission to have a bird. Erin has not yet decided what kind of bird she would like to have.?
Answer: Option 3 Since Erin's parents think a dog would not be happy in an apartment, we can reasonably conclude that the family lives in an apartment. We do not...
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Rita, an accomplished pastry chef who is well known for her artistic and exquisite wedding cakes, opened a bakery one year ago and is surprised that business has been so slow. A consultant she hired to conduct market research has reported that the local population doesn't think of her shop as one they would visit on a daily basis but rather a place they'd visit if they were celebrating a special occasion. Which of the following strategies should Rita employ to increase her daily business?
Answer: Option 3 This is the only option that would encourage people to think of the bakery as a shop they would visit regularly and not just on special occasions.
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