From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
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Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group? (a) Fruit (b) Leaf (c) Flower (d) Tree (e) Trunk
If a refrigerator contains 12 cans such that 7 blue cans and 5 red cans. In how many ways can we remove 8 cans so that atleast 1 blue can and 1 red can remains in the refrigerator?
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Zulus always speak truth and Hutus always speak lies. There are three persons A,B&C. A met B and says " I am a Zulu or I am Hutu". We don't know what exactly he said. then B meets C and says to c that " A is a Zulu ". Then C replied " No, A is a Hutu ". Who must be a Zulu ?
a man sells an article at a profit of 20%. if he had bought it for 20% less but sells at the same price, find the gain %.
if there are 30 cans out of them one is poisoned if a person tastes very little he will die within 14 hours so if there are mice to test and 24 hours, how many mices are required to find the poisoned can?
A chain is broken into three pieces of equal lengths containing 3 links each. It is taken to a blacksmith to join into a single continuous one. How many links are to to be opened to make it ?
Which of the folowing is not correct a. (x+y)'=x'.y' b. (x'+y')'=x.y c. (x'.y')'=x+y d. (x'+y')'=x'.y'
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2 oranges,3 bananas and 4 apples cost Rs.15 . 3 ornages 2 bananas 1 apple costs Rs 10. what is the cost of 3 oranges, 3 bananas and 3 apples
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1 Answers HCL, Solartis, TCL, TCS, XL Dynamics,