The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
The smallest number, which when diminished by 3, is divisible by 21, 28, 36 and 45 is ?
The smallest number, which when increased by 5 is divisible by each of 24, 32, 36 and 64 is ?
The smallest number, which when increased by 5 is divisible by each of 24,32, 36 and 564, is
The smallest number, which, when divided by 12 or 10 or 8, leaves remainder 6 in each case, is
The smallest square number divisible by 10, 16 and 24 is
The speed of a 180m long train is 60 km/hr. How much time will take to pass a platform of 600m long ?
The speed of A and B are in the ratio 3 : 4. A takes 20 minutes more than B to reach a destination. Time in which A reach the destination?
The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:
The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is