Placement Papers: Infosys Paper 211
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Puzzle
- A train and A Cyclist reaches a station every day at the same time. One day the Cyclist starts 20 minutes late from his house. On his way to station the train crosses him at 5 miles before station. The speed of cyclist is 12mph. Find the speed of the train. Ans: 60mph
- There is an element which triplicates in every hour. Each of these 3 items inturn reproduce exactly 3 other items. If a single compund is kept in a container at noon and the container is full by midnight. After how many hours is the container full. Ans: 11: 00pm
- There are 4 parties A, B, C, D, Ram told that either A or B will win. Shyam told C will never win. Hari told either B or C or D will win. Only one of them was Correct. Which party won? Ans: C
- A person goes to a bank and Quotes x ₹ And y paise on a cheque. The cashier misreads it and gives y ₹ And x paise. The man comes out and donates 5 paise to a begger. Now, the man has exactly double the amount he has quoted on the cheque. Ans: 31 ₹ And 63 paise.
- Pepsi, Fanta, Cola order either coffee or tea after dinner.
- If pepsi orders coffee, Fanta orders the drink that is ordered by cola.
- If fanta orders coffee, pepsi do not order the drink that is ordered by cola.
- If cola orders tea, pepsi orders the same drink ordered by fanta. Who take the same drink every day.
- Ans: Pepsi.
- Boat A leaves shore P and Boat B leaves shore Q (P and Q are opposite shores of a river) . A and B travel at constant speed. But the speeds are not same. Both boats meet at 600m from P for the first time. In their return journeys (i.e.. . after touching the shores) , they meet agian at 200m from Q. Find distance between P and Q. Ans: 1600m
- There are two glasses A and B. A contains orange juice and B contains apple juice in same quantity. Some amount orange juice from glass A is transfered to glass B. The juice in glass B is mixed well. Then again the same amount of juice from B is transferred to A. Compare the quantities of apple juice in A and orange juice in B. Ans: Equal.
- 100 Kg. Potatoes with 98% water content are dried in an oven. The percentage of water decreases to 50% . What is the weight of potatoes now. Ans: 4Kg.
- There are n Railway stations. Ticket facility is available between every two stations. Recently, m new stations are bulit so that 42 new tickets are to be printed. How many stations were there? How many are newly constructed. Ans: n = 6; m = 3; initially n ⚹ (n − 1) were printed. i.e.. 30. Later on (n + m) , ⚹ (n + m − 1) are printed i.e.. . 72 (so 72 − 30 = 42) .
- A colck takes 33 seconds to complete the pendulum sound when it is 12: 00 noon. How long one can
hear the pendulum sound it is 6: 00 am i.e.. . the the differrence between 1st sound and last sound. Ans: 15 Secs