A train 100 meter long takes 3 second to cross a man walking at the rate of 6km/hr in a direction opposite to that of the train. Find the speed of the train.
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in the avg ( arthematic mean) of 5,6,7 and w is 10 what is the value of w
a person who decided to go weekend trip should not exceed 8 hours driving in a day average speed of forward journey is 40 mph.due to traffic in sun days the return journey average speed is 30 mph.how far he can select a picnic spot.
If A is traveling at 72 km per hour on a highway. B is traveling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.
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In a certain code ‘ORGANISE’ is written as ‘BHSPDRHM’. How is ‘DESTINED’ written in that code ?
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Find the number WXYZ divisible by 36? i) Let the digits be5, 4,3,6 -not in that order ii) Sum of last two digits is 9 iii) Sum of middle two digits is 7->If one is sufficient then ans as A || if two is sufficient then ans as B || if all are necessary then ans as C || if nothing is needed then
You have 5 jars of pills. Each pill weighs 10 gram, except for contaminated pills contained in one jar, where each pill weighs 9 gm. Given a scale, how could you tell which jar had the contaminated pills in just one measurement?
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There are first 20 numbers.what is the probability of selecting a even no such that the no is less than 7?
the program size is N. the memory occupied by the program is M=4000sqrt(N).if the program size is incresed by 1%.then what is the percentage increase in memory.
George while driving along the highway saw road markers which are at equal distances from each other. He crosses the markers every 20 seconds. If he increases his speed by x meters per second, he crosses the markers at every 15 seconds. But if he increases his speed by y meters per second, he crosses the marker at every 10th second. If y-x = 40 meters per second, then what is the distance between two markers.