Calculate the sum of first 60 natural numbers. Pick.
A) 1839	B) 2830	C) 1830	D) 1831	E) 1835
Solution   We know that(1+2+3+.....+60)	= n(n+1)/2   Therefore (1+2+3+....+60)	=(60×61 / 2)   = 1830.   Answer 1830
<result>C</result>
Calculate the sum of first 60 natural numbers.