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.
Boys : Girls = (x+3) : (x+7) Total number of students = 5400 => x + 3 + x + 7 = 5400 => 2x + 10 = 5400 => 2x = 5390 => x = 2695
3601 3602 1803 604 154 36
...351 261 181 111 51 ?
41 28 ? 15 67 2
11 33 66 112 173 ?
3, 7, 16, 35, ?, 153
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
4 7 6
15 ? 21
44 68 60
2 5 16 65 326 ?
Given below are 3 numbers series I, II and III with an odd one out number (wrong number) in each of the series. The number that should actually come in...
12 10 13 18.5 25.50 ...
3, 2, 3, 8, 31, ?
