Last Updated On [03-11-2023]
10 years before, the ratio of ages of A and B was 13:17. 17 years from now, the ratio of their ages will be 10:11. The present age of B is
a)
23 years
b)
27 years
c)
40 years
d)
44 years
10 years before, the ratio of ages of A and B was 13:17. 17 years from now, the ratio of their ages will be 10:11. The present age of B is
a)
23 years
b)
27 years
c)
40 years
d)
44 years
Question ID - 53706 :-
10 years before, the ratio of ages of A and B was 13:17. 17 years from now, the ratio of their ages will be 10:11. The present age of B is
a)
23 years
b)
27 years
c)
40 years
d)
44 years
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10 years before, the ratio of ages of A and B was 13:17. 17 years from now, the ratio of their ages will be 10:11. The present age of B is |
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|
a) |
23 years |
b) |
27 years |
c) |
40 years |
d) |
44 years |
In the problem 
(as 10 years ago the ratio of ages was 13:17) ∴ Present age of 
and present age of 
∴ According to problem, we have 
(as after 17 years the ratio of their ages is 10:11) ⇒
∴ Present age of 
years
Next Question :
A disc is rolling (without slipping) on a horizontal surface 
is its centre and 
and 
are two points equidistant from 
. Let 
, 
and 
be the magnitude of velocities of pints 
and 
respectively, then
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a) |
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b) |
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c) |
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d) |
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,
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