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RRB NTPC Mains or Stage 2 Model Paper 7 with solutions
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© examsnet.com
Question : 9
Total: 120
What is the number whose 20% is 30% of 40?
90
80
60
50
Validate
Solution:
(c) Let the number be x
(a)ccording to question 20% of x = 30%of 40
⇒
x
×
20
100
=
40
×
30
100
⇒
x
=
40
×
30
20
=
60
© examsnet.com
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