Question
The number of students in a school is 5400. If the ratio
between boys to girls is (x+3) : (x+7), then find the value of x.Solution
Boys : Girls = (x+3) : (x+7) Total number of students = 5400 => x + 3 + x + 7 = 5400 => 2x + 10 = 5400 => 2x = 5390 => x = 2695
More Ratio and proportion Questions
- Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___ - Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____ - A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN
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