Infosys Company Numerical Ability Percentage

In a class there are less than 500 students. When it is divided by 3 it gives a whole number. Similarly when it is divided by 4, 5 or 7 gives a whole number. Find the no. of students in the class

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Ans:420
lcm of 3,4,5 and 7
14 years agoHelpfull: Yes(13) No(0)

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When you reverse the digits of age of father u will get the age of son. One year ago the age of father was twice that of son's age. What are the current ages of father and son? A coffee seller has two types of coffee Brand A costing 5 bits per pound and Brand B costing 3 bits per pound. He mixes two brands to get a 40 pound mixture. He sold this at 6 bits per pound. The seller gets a profit of 33 1/2 percent. How much he has used Brand A in the mixture?