CIRCUMFERENCE OF THE CIRCLE The CIRCUMFERENCE of a circle is the total length of the outer periphery(boundary) of the circle. If radius of the circle = r Then, Circumference of the circle...
Que : Average of 5 consecutive even numbers is 12 . Find the sum of 1st and last numbers. Sol : shortcut... If consecutive numbers average is given, then average is (1st + last)/2 = 12 Therefore sum of 1st and last = 12*2 = 24
Q: The numerator of a fraction is 3 less than the denominator. If 2 is added to both the numerator and the denominator, then the sum of the new and the original fraction is 29/20. Find the...