REVENUE OFFICER Government Jobs Exams Numerical Ability Trigonometry

If 70% of students in a school are boys and the numbers of girls is 420,the number of boys is ?

Read Solution (Total 4)

980

As 30% of girls=420, So 70% of boys=420*70/30=980
8 years agoHelpfull: Yes(3) No(1)

420/30*70=980
8 years agoHelpfull: Yes(0) No(0)
30%x=420(i.e.. x=1400)
boys=1400-girls
boys=1400-420
boys=980
7 years agoHelpfull: Yes(0) No(0)
(420*70)/30 = 980
6 years agoHelpfull: Yes(0) No(0)

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