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Speed downstream = Distance/Time = 18/2 = 9 km/hr Speed upstream = Distance/Time = 12/3 = 4 km/hr Speed of boat in still water = (Downstream speed + Upstream speed) / 2 = (9 + 4) / 2 = 13/2 = 6.5 km/hr Correct Option: a) 6.5 km/hr
What does the "Word Count" feature in a word processing software typically provide?
A person, 'Q', uses 40% of their monthly income on food and then spends 60% of what is left on rent. After covering these expense...
I). p 2 – 5p – 126 = 0
II). q 2 + 9q – 90 = 0
Income of A is twice the income of B. B and A spend 55% and 65% respectively of their incomes. Find the savings of A, if B saves Rs. 18000 in a month.
28, 52, 84, 124, 172, ?.
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