What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(4, 0) and C(-2, 2)?
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The point Q(a,b) is first reflected in y-axis to Q1 and Q1 is reflected in xaxis to (-5,3). The coordinates of point Q are
If a2+1a2 = 38, then find the value of a-1a?
Four pairs of words are given. Find the odd one out.
Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is
In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?
The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is
Which one of the following is the minimum value of the sum of two integers whose product is 24?
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