The sum of radii of two circles is 140 cm and the difference of their circumference is 88 cm. The diameters of the circles are
(a)
77 cm, 63 cm
(b)
150 cm, 120 cm
(c)
154 cm, 126 cm
(d)
160 cm, 120 cm
The sum of radii of two circles is 140 cm and the difference of their circumference is 88 cm. The diameters of the circles are
(a)
77 cm, 63 cm
(b)
150 cm, 120 cm
(c)
154 cm, 126 cm
(d)
160 cm, 120 cm
Question ID - 50530 | SaraNextGen Top Answer
The sum of radii of two circles is 140 cm and the difference of their circumference is 88 cm. The diameters of the circles are
(a)
77 cm, 63 cm
(b)
150 cm, 120 cm
(c)
154 cm, 126 cm
(d)
160 cm, 120 cm
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The sum of radii of two circles is 140 cm and the difference of their circumference is 88 cm. The diameters of the circles are |
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|
(a) |
77 cm, 63 cm |
(b) |
150 cm, 120 cm |
(c) |
154 cm, 126 cm |
(d) |
160 cm, 120 cm |
1 Answer
127 votes
Answer Key / Explanation : (c) -
We have: 
…
And, 
Solving 
we get 
So, the diameters of the circles are 154 cm and 126 cm.
127 votes
Answer Link
127