A boy has Rs 3 in total. If he wins, he gains 1 Rupee and if he looses, he has to loose 1 Rupee. The boy may lose only 5 times in the game and if he earns 5 Rs, he has to quit the game. Find the number of ways of the possibilities.
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A sum of Rs 312 is divided among 100 boys and girls such that every boy gets an amount of Rs 3.60 and every girl gets 2.40 Rs. Calculate the number of girls in the group.
What is the time required to punch 1500 cards of 50 column each at the rate of 10,000 punches per hour?
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Find the number WXYZ divisible by 36? i) Let the digits be5, 4,3,6 -not in that order ii) Sum of last two digits is 9 iii) Sum of middle two digits is 7->If one is sufficient then ans as A || if two is sufficient then ans as B || if all are necessary then ans as C || if nothing is needed then
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A ship went on a voyage.After it had travelled 180 miles a plane statrted with 10 times the speed of the ship. An army 50 miles long marches at a constant rate. A courier standing at the rear moves forward and delivers the message to the first person and then turns back and reaches the rear of the army as the army completes 50 miles. Find the distance travelled by the courier.
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1@2=8,3@5=323,4@5=?
A man leaves office daily at 7:00 pm. A driver with car comes from his home to pick him from office and bring back home. One day he gets free at 5:30 and instead of waiting for driver he starts walking towards home.In the way he meets the car and return home on car. He reaches home 20 min earlier than usual.in how much time does the man reach home usually... ?
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