1.

Find the sums given below : (i) 7+10(1)/(2)+14+……..+84 (ii) 34+32+30+…..+10 (iii) -5+(-8)+(-11)+………+(-230)

Answer»


ANSWER :(i) `2093/2 = 1046 (1/2)` , (II) 286, (III) `-8930`


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