A work is done by three person A,B and C. A alone takes 10 hours to complete a single product but B and C working together takes 4 hours, for the completion of the same product. If all of them worke
two
alloys A & B contain copper and zinc in the ratio 4:9 and 5:6
respectively. if equal weights of the two are melted together to form a
third alloy,find the ratio of weights of copper and zin
EVAPORATION : CLOUD
choices are:
1. Mountain : Snow
2. Pressure : Atmosphere
3. Book : Pages
4. Tension : Breakdown
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