Answer
Step by step text solution for A car and a bus start from a place P at the same time and move non-stop towards a place where the distance between P and Q is 210 km. The car takes half an hour less than the bus to arrive Q. If the average speed of the car is 10 km/h more than that of the bus, find the average speed of the car and the bus. by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.
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KALYANI PUBLICATION-ALGEBRIC METHOD OF SOLVING A PAIR OF LINEAR EQUATIONS-EXERCISE
- A car and a bus start from a place P at the same time and move non-sto...
08:38
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- Solve by the method of elimination: 5x-3y=1, 2x+5y=19
02:16
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- Solve by the method of elimination: 3x+4y=7, 5x-8y=8
02:59
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- Solve by the method of elimination: 5x-3y=16, 3x-y=12
03:14
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- Solve by the method of substitution: 2x+3y=31, 17x-11y=8
04:07
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- Solve by the method of substitution: ax+by=1, bx+ay=(a+b)^2/(a^2+b^2...
07:08
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- Solve by the method of substitution: x+y=a+b, ax-by=a^2-b^2
03:22
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- Solve by the method of cross multiplication: 8x+3y=1, 7x+4y=-6
06:02
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- Solve by the method of cross multiplication: 2x+y=35, 3x+4y=65
06:22
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- Solve by the method of cross multiplication: ax+by=a-b, bx-ay=a+b
06:09
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- Solve by any method: (xy)/(x+y)=6/5, (xy)/(y-x)=6
04:13
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- Solve by any method: (x+y)/(xy)=1, (x-y)/(xy)=65
03:43
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- Solve by any method: x+2y=1.3, 3/(2x+5y)=1
02:28
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- Solve by any method: 31x+43y=117, 43x+31y=105
04:23
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- Solve by any method: 148x+231y=527, 231x+148y=610
04:41
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- Solve by any method: ax+by=c, bx+ay=1+c
05:34
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- Solve by any method: x+5y=36, (x+y)/(x-y)=5/3
02:49
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- Solve by any method: x-y=0.9, 11/(2(x+y))=1
02:39
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- Solve by any method: x/a+y/b=a+b, x/a^2+y/b^2=2
04:09
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- Solve by any method: x/a+y/b=2, ax-by=a^2-b^2
04:54
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- Word Problem of Numbers A number between 10 and 100 is equal to eigh...
07:01
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