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Thursday, 7 August 2014
23:46
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A magician holds one six- sides die in his left hand and two in his right. what is the probability the number of dice in his left hand is greater than the sum of of the dice in his right. ?
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23:21
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PROPERTIES OF POLYGON
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PROFIT AND LOSS
[1] The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is: A. 15 B....
TIME AND WORK: IMPORTANT FORMULAS
Work from Days: If A can do a piece of work in n days, then A's 1 day's work =1/n Days from Work: If A's 1 day's work =...
IMPORTANT FORMULAS : PIPES AND CISTERN
Inlet: A pipe connected with a tank or a cistern or a reservoir, that fills it, is known as an inlet. Outlet: A pipe connected with a t...
TIME AND DISTANCE : IMPORTANT FORMULAS
Speed, Time and Distance: Speed = Distance/Time Time = Distance/ speed Distance = (Speed x Time) km/hr to m/sec conversion: x km/...
PROBLEMS ON PERCENTAGE
[1] If 20% of a = b, then b% of 20 is the same as: A. 4% of a B. 5% of a C. 20% of a D. None of these Ans- A [2] Two numbers A a...
RATIO AND PROPORTION
[1] Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is: A. 2 : 5 B. 3 : 5 C. 4 : 5 ...
RATIO AND PROPORTION: IMPORTANT FORMULAS
[1] Ratio: The ratio of two quantities a and b in the same units, is the fraction a/b and we write it as a : b. In the ratio a : b, we ca...
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A magician holds one six- sides die in his left hand and two in his right. what is the probability the number of dice in his left hand is...
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PROPERTIES OF POLYGON
PARTNERSHIP: IMPORTANT FORMULAS
Partnership: When two or more than two persons run a business jointly, they are called partners and the deal is known as partnership. Ra...
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