A person at a point D on a straight road AC has four options to go to B which lies on a perpendicular to AC through D. Which one of the following is the shortest route to B

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1994

A person at a point D on a straight road AC has four options to go to B which lies on a perpendicular to AC through D. Which one of the following is the shortest route to B ?

(a)

D to A and A to B

(b)

D to E and E to B

(c)

D to C and C to B

(d)

D to F and F to B

Correct Answer

Explanation