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how to solve the maths question of upstream and downstream |
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Answer» Take upstream as xkm/h & downstream as ykm/h..... an example also is in NCERT Let the speed of boat in still water be x and speed of stream be y...Then speed during upstream=x-y and...During downstream speed= x+y Usme kuch nhi bas ye hota h ki agar downstream h toh toh usme 1/x+1 ho jaega because soped of water ki wajah se and up stream mein 1/x-1 ho jaega because tum water ki opposite direction mein jaa rhe ho |
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