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A and B are two fixed point 5 cm apart and C is a point on AB such that AC is 3 cm. if the length of AC is increased by 6%, the length of CB is decreased by 

 

(a)

6%

(b)

7%

(c)

8%

(d)

9%



Question ID - 56906 | SaraNextGen Top Answer

A and B are two fixed point 5 cm apart and C is a point on AB such that AC is 3 cm. if the length of AC is increased by 6%, the length of CB is decreased by 

 

(a)

6%

(b)

7%

(c)

8%

(d)

9%

1 Answer
127 votes
Answer Key / Explanation : (d) -

Original length of AB = 5 cm.

Original length of AC = 3 cm.

Original length of CB =  cm.

New length of AC = 106% of 3 cm = cm.

New length of CB =   1.82 cm.

Decrease length of CB =  cm.

Decrease % =

127 votes


127