ATQ Number of boys in the class = 200 × 0.60 = 120 Number of girls in the class = 200 – 120 = 80 Number of students who failed in the test = 200 × 0.25 = 50 Number of students who passed the test = 200 – 50 = 150 Number of boys who passed the test = 120 × 0.50 = 60 Number of girls who passed the test = 150 – 60 = 90
54   58    85    ?       226    262
...9, 21, 67, 273, 1371, ?
4, 17, 62, 317, ?, 13267
5184, ?, 432, 144, 36, 12
?     12     24     44     74     116
...400Â Â Â Â Â Â Â Â Â 596Â Â Â Â Â Â Â Â Â 452Â Â Â Â Â Â Â Â Â 552Â Â Â Â Â Â Â Â Â 488Â Â Â Â Â Â Â Â Â 524
100         a     Â...
388, ?, 98, 49, 24, 15
63 189 315 378 567 693
...2,0, 9, 20, ‘?’, 714
37    59    103    191    ?     719