Arrange the fractions `17/18, 31/36, 43/45, 59/60` in the ascending order .
The traffic light at three different road crossing change after every 48 sec, 72 sec. and 108 sec. respectively . If they all change simultaneously at 8 : 20 : 00 hours, then at what time will they again change simultaneously ?
Find the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder .
Find the least number which when divided by 20, 25, 35 and 40 leaves remainders 14, 19, 29, and 34 respectively .
Find he smallest number of five digits exactly divisible by 16, 24, 36 and 54 .