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SSC CHSL 6-March-2018 Shift 1 Paper
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© examsnet.com
Question : 3
Total: 106
Two whole numbers are such that the cube of first number exceeds the cube of second by 61 and the ratio of the numbers is 5:4. What is the value of larger number?
3
4
5
6
Validate
Solution:
Let the numbers be
5
x
and
4
x
According to ques,
⇒
(
5
x
)
3
−
(
4
x
)
3
=
61
⇒
125
x
3
−
64
x
3
=
61
x
3
=
61
⇒
x
3
=
61
61
=
1
⇒
x
=
3
√
1
=
1
∴ Larest number =
5
×
1
=
5
© examsnet.com
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