Question
yoti, Kavya, Shivam and Manish start walking from the
same point in the same direction around a rectangular track and each one of them completes one round in 180 seconds, 270 seconds, 360 seconds and 240 seconds respectively. After how much time will they all meet again at one point ?Solution
Solution-
Jyoti Kavya, Shivam, And Manish=180,270,360,240second
LCM of 180,270,360,240second=2160sec
Meeting point =2160/60min
=36min
2, 9, 19, 32, 48, 67, ?
64Â Â Â 48Â Â Â 36Â Â Â 22Â Â Â Â 16Â Â Â Â 8
?     190      210      238      274     318
...40 41 86 ? 1084 5445
...148, ‘?’ , 15 4 , 17 8 , 23 8 , 35 8 , 56 8
31   48    67    90   ?      150
22, 23, 31, 57, 122, 247
1. In series II, if ‘x’ is the right term, then find which of the following statement(s) are true.
I. x/124 is a factor 6 and 8.
6Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â Â 40Â Â Â Â Â Â Â Â Â Â Â 32Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 249Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 240
203, 223, 198, 218, ?, 213
