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QUESTION
Q
There are 4 boxes colored red, yellow, green and blue. If 2 boxes are selected, how many combinations are there for at...

Solution

The total number of combinations in which at least one green box is selected = 3The total number of combinations in which at least one red...

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The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 and 31. What is the…

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3 mangoes and 4 apples cost Rs 85. 5 apples and 6 peaches cost Rs. 122. 6 mangoes and 2 peaches cost Rs.114. what is the combined price of…

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Simple equations are mathematical expressions that involve one or more variables and follow the basic algebraic form. In these equations, the goal is to find the values of the variables that satisfy the given conditions. Simple equations typically consist of addition, subtraction, multiplication, and division operations, making them fundamental to understanding algebraic concepts.

If one root of the equation 2×2 + 3x – k = 0 is 6, what is the value of k ?

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