2. Find the sums given below :
(i) 7+ 10 - + 14 + ... +84
2
(iii) -5 +(-8)+(-11) + ... +(-230)
(ii) 34+32+30+...+10)
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20 (*) s s 15 (*) 1 (*) *** 75 and under 80 ------- 149 *08 8 46 137 128 * 29 (*) * 80 and under 85 --------- 77 118 11 42 58 57 7 18 (*) • 85 .
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