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 |
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(a) |
6% |
(b) |
7% |
(c) |
8% |
(d) |
9% |
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% |
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 % =