Question
The total number of students in a school is 21980. If
the ratio of boys to the girls in the school is 70:87 respectively, then find the total number of girls in the school.Solution
Boys: Girls = 70 : 87 Total number of students = 21980 Number of girls = [87/(70+87)] × 21980 = 12180
11, 12, 20, 58, 234, 1168
630, 180, 60, 24, 12, 8, 5
1, 18, 44, 81, 131, 198
66, 220, 384, 543, 702, 861
Find the wrong number in the given number series.
119, 200, 300, 417, 565
In each of the following, one term is wrong. Find the WRONG term.
3, 5, 8, 14, 21, 34, 55
Find the wrong number in the given number series.
231, 241, 233, 239, 235, 243Find the wrong number in the given number series.
976, 720, 495, 297, 130, - 14Â
120, 140, 178, 232, 300, 360
126, 295, 520, 807, 1170, 1611