TCS Company Numerical Ability

Two vertical poles 2 m and 8m high stands apart on a horizontal plane .The height in mters of the point of intersection of the lines joining the top of each pole to the bottom of the object pole is

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Use formula
A*b/a+b
2*8/2+8=16/10=1.6ans.
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1.6m
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questin not proper
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TCS Other Question

two consecutive no. 1,2,3.......n the arithmetic mean of the remaining no. 26 1/4. The value of n is George walks 36 kms partly at a speed of 4 kms per hour and partly at 3 km per hour If he had walked at a speed of 3km per hour when he had walked at 4 and 4 km per when he had walked at 3 he would have walked only 34 kms. The time (in hours) spent by George in walking was)