The most challenging subject to most people yet interesting to a few and needed in life is math. In my opinion, math concept is different from math skill. A math concept is if a person knows how...Read More

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Video Lessons

Video lessons can make boring chapters interesting and help you remember better. Quizzes

Have a quick test after every topic with small appealing rewards to keep...Read More

Video lessons can make boring chapters interesting and help you remember better. Quizzes

Have a quick test after every topic with small appealing rewards to keep...Read More

1 Answer

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Length is the measurement of an object from one point to another. Height is the vertical measurement of an individual or an object. The length determines how long an object is and height...Read More

1 Answer

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Some people become confused with the differences between chickenpox and shingles because they are caused by the same virus. Even so, the effect they will have on people will be different. Those...Read More

1 Answer

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Each statement alone is sufficient- (ans: (d) area of the circle = pi (r^2), where r is the radius of circle.
take (1), length of arc = 2 pi r (angle subtended by the arc) / 360
or 5 = 2 pi r...Read More

1 Answer

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There are four quarts in a gallon. To convert quarts to gallons, you must multiply the gallon value by four. For example, to find out how many quarts are in two and a half gallons, multiply...Read More

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The value of pi was likely first approximated by the ancient Babylonians. One Babylonian tablet estimated to be from around 1680 BC, provided a value for pi of 3.125. The Egyptians, a few year...Read More

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Each statement alone is sufficient-(ans: (d) , x + y will be odd when one of x & y is even and other is odd. if both are even or odd then x + y will be even.
take (1), x = y, this means that both x...Read More

1 Answer

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Difficulty: Medium One way to do this problem is to think about the properties of roots. Suppose the two roots of a quadratic equation are a and b. Then the quadratic equation can be written in...Read More

1 Answer

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