The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is
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28% of a number is 35. What is the number?
Expand : S + 23
The instrument used to determine the rotation speed of a shaft is called
Study of earth is known as
If a mirror is placed on the line MN, then which is the right image of the given figure?
In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.
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What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(-4, 0) and C(3, -4)?