solution--- t1= time for forword journey. t2 =time 4 return journey. t=t1 + t2 =8hrs; x= destination; t1 + t2 = x / 40 + x / 30 = 8; x( 7/120 ) = 8; x= 8*120/ 7 = 137 milesie answer is(b)
For temperature a function is given according to time ((t**2)/6)+4t+12 what is the temperature rise or fall between 5PM to 8PM?
A salesperson multiplied a number and got the answer 3, instead of that number divided by 3.What is the answer he actually has to get?
Wind flows 160 miles in 330 min, for 80 miles how much time required?
A building with height D shadow up to G. A neighbor building with what height shadows C feet. |----|----|----|----|----|----|----| A B C D E F G H
Which of the following set of numbers has the highest Standard deviation?1,0,1,0,1,0-1,-1,-1,-1, -1,-11,1,1,1,1,11,1,0,-1,0,- 1
Find the fourth row, having the bit pattern as an integer in an 8-bit computer, and express the answer in its decimal value.A 0 0 0 0 1 1 1 1B 0 0 1 1 0 0 1 1C 0 1 0 1 0 1 0 1(AU(B-C)) ?
One ship start his journey from a port and another ship start his journey from H at the same time, at which place they will meet?
A man walks 3km east then 5km north then 8km east. Now how far is he from the starting point
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