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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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SIMPLIFICATION
1. A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denominati...
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...
PROBLEMS ON PARTERNERSHIP
1. A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Rs. 855, the total profi...
ALLIGATION OR MIXTURES
[1] Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 pe...
PROBLEMS ON AGES
[1] The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? A. 4 years ...
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 ...
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...
PROBLEMS ON AVERAGE
Q. 1. All of the following are examples of real security and privacy risks EXCEPT : (1) Hackers (2) Spam (3) Viruses (4) Identity th...
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...
PROBLEMS ON SIMPLE INTEREST
[1] A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is: A. Rs. 650 B. Rs. 690 C. Rs....
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