A power cable is to be run from a power plant on the bank of a river 900 meters wide to a factory that is located 3000 meters downstream on the opposite bank. If the cost of laying cable under water is Rs. 5 per meter and that of laying overhead on land is Rs. 4 per meter, find the point downstream where the cable is to cut across the river. (a) 450 (b) 3900 (c) 1800 (d) 2100 (e) 2700
Which set of data exhibits a highest standard deviation?
a) 7,0,-7,7,0,-7
b) 7,-7,7,-7,7,-7 Please explain clearly
Latest Answer: more -sign , more sdalsosd= underroot of( (m-x1) * (m-x2) *.........* (m-xn)) ) / nm = (x1+x2+...xn ) / n ...
A fisherman's day is rated as good if he catches 9 fishes, fair if 7 fishes and bad if 5 fishes. He catches 53 fishes in a week n had all good, fair n bad days in the week. So how many good, fair n bad days did the fisher man had in the week
Latest Answer: Mathematically, the question asks(384)base10 is equivalent to (1234)baseXwhere X is to be found.We know that to convert a binary number to its decimal equivalent, say (110)base2, we perform the following:(0*2^0)+(1*2^1)+(1*2^2) = 0+2+4 = 6.Doing the same ...
A plane starts from degrees minutes and radians are given and reaches at degrees minutes and radians are given...if travel is twelve hours when will it reach.
Latest Answer: Ans: -723*(-)*3*6 - (-)*3*(-)*6=-54-18=-72 ...
A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river and 1500mts away from the power unit. The cost of the cable below water is Rs. 15/- per meter and cost of cable on the bank is Rs.12/- per meter. Find the total of laying the cab
A Car has run 10000 miles using 5 tyres interchangeably have an equal wornout by all tyres How many miles each tyre should have run??
Ans.4000 Miles per tyre...But How?
A moves 3 kms east from his starting point. He then travels 5 kms north. From that point he moves 8 kms to the east. How far is A from his starting point?
13kms how?
Ram singh goes to his office in the city every day from his suburban house. His driverMangaram drops him at the railway station in the morning and picks him up in the evening.Every evening Ram singh reaches the station at 5 o'clock. Mangaram also reaches at thesame time. One day Ram singh started early from his office and came to the station at 4o'clock. Not wanting to wait for the car he starts walking home. Mangaram starts at normaltime, picks him up on the way and takes him back house,
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