A man completed a journey at 10 hrs he travelled first half of the journey at the rate of 20km/h and second half at rate of 26km/h find the average speed?
A23.0 km/h
B22.6 km/h
C11.3 km/h
D22.0 km/h
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x-4, x-2, x ഇവ അഭാജ്യ സംഖ്യകൾ ആണെങ്കിൽ x + 2 എന്നത്
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