State whether the following statements are True or False.
(a) Two obtuse angles can form a linear pair.
(b) Mean of the data cannot be zero.
(c) The sum of any two fractions is always greater than both the fraction.
(d) The simple interest on a sum of ?100 for 2 years at 5% per annum is ?10.
(e) If a > 0, b

Solution: 
solution to your question part (b) and (d) is given below for remaining questions please ask them in separate thread.

Assuming that your question (d) is like 

d) The simple interest on a sum of ₹100 for 2 years at 5% per annum is ₹10.

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