In a race of 200 metres, B can give a start of 10 metres to A and C can give a start of 20 metres to B. The start that C can give to A, in the same race, is :

In a race of 200 metres, B can give a start of 10 metres to A and C can give a start of 20 metres to B. The start that C can give to A, in the same race, is : Correct Answer 29 metres

$$\eqalign{ & \,\,{\text{A}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{B}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}} \cr & 190\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,200 \cr & 180\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,200 \cr & \,\,{\text{A}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{B}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}} \cr & 171\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,180\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,200 \cr} $$

⇒ C can give a start of 200 - 171 = 29 metres to A

Related Questions

How far is point 'R' from Point 'T'? Statement (I): Point 'R' is 5 metres to the north of point 'M'. Point 'U' is 4 metres to the east of point 'R'. Point 'T' is to the west of point 'R' such that points 'U' 'R' and 'T' form a straight line of  metres. Statement (II): Point 'Z' is metres to the south of point 'T'. Point 'U' is  metres to the east of point 'T'. Point 'M' is  metres to the east of point 'Z'. Point 'R' is  metres to the north of point 'M'. Point 'R' lies on the line formed by joining points 'T' and 'U'.