The tremors of earthquake are felt at interval of 25 seconds. The first tremor was felt at 02:54:57 and the last tremor was felt at 10:45:22 am. How many times were the tremor felt?
1130
We need to calculate the time difference in seconds: 10:45:22-02:54:57, if we add 00:05:03 to both it will look as 10:50:25-03:00:00=07:50:25 => in seconds it will be equal to 7*60*60+50*60+25=28225 after the first tremor there happened 28225/25=1129 more tremors so total number is 1129+1=1130
One number is 28 more than three times another number. Each number were multiplied by four, their difference would be 232. What are the numbers?
Two vehicles set off from the same point, at the same time, to travel the same140 mile journey.
Vehicle A travels at 52 mph and vehicle B travels at 45 mph.
How many minutes will there be between the arrival times of the two vehicles?
If P is a three digit number where first digit is three times the last digit and no digit is repeated. How many P are possible which are divisible by 6?
Two vehicles set off from the same point, at the same time, to travel the same 90 mile journey.
One vehicle travels at 52 mph and the other travels at 40 mph.
Two vehicles set off from the same point, at the same time, to travel the same 115 mile journey.
One of the vehicles travels at 48 mph and the other travels at 45 mph.
