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. Let the speed of boat in still water =B and speed of stream =S=1.5km/h Downstream speed (B+S) =d/3 D=3(B+S) … (1) Upstream speed (B-S) =2d /7 D=7/2(B-S) … (2) Compare both the distance. 3(B+S) = 7/2(B-S) 3B+3S=7B/2-7S/2 6B+6S=7B-7S B=13S B=13×1.5=19.5km/h.
Why was the SSLV (Small Satellite Launch Vehicle) developed by ISRO?
Who is first ISRO woman to have completed 403 days in Antarctica?
Who is the author of the autobiography ‘Playing It My Way’?
__________is the largest Bauxite producing state of India.
In a volleyball game, each team comprise of how many players?
Which of the following tribes is NOT native to the state of Tamil Nadu?
As per SEBI’s new guidelines, the threshold for Basic Service Demat Account (BSDA) has been increased to ____ from 2 Lakhs rupees.
Which was the first Indian city to be included in the UNESCO City of Literature list?
Report on Global Remittances is published by which of the following global financial agency?
The Lunar Polar Exploration Mission (LUPEX) is a planned joint lunar mission by the Indian Space Research Organisation (ISRO) and which of the followin...
