Evaluate:
Evaluate :
(i) 37+−49+−117+79(ii) 23+−45+13+25(iii) 47+0+−89+−137+179(iv) 38+−512+37+312+−58+−27
In this case how many time intervals can Sid calculate?
Bus123456789101112131415Time(hr:min)8:158:188:238:298:328:408:458:528:549:009:079:139:209:259:32
simplyfy -11/3 + 7/18 + 7/(-9)+(-2 1/8) ?