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When Rs 250 added to 1/4th of a given amount of money makes it smaller than 1/3rd of the given amount of money by Rs 100. What is the given amount of money?
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Average age of students of an adult school is 40 years.
120 new students whose average age is 32 years joined the
school. As a result the average age is decreased by 4 years.
Find the number of students of the school after joining of the
new students?
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A square garden has fourteen posts along each side at equal interval. Find how many posts are there in all four sides?
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How many prime numbers are less than 50 ?
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Prime numbers less than 50 are:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9 are wrong and the other digits are correct, then the correct answer would be ?
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So, the required number must be divisible by each one of 3, 7, 47
553681 (Sum of digits = 28, not divisible by 3)
555181 (Sum of digits = 25, not divisible by 3)
555681 is divisible by 3, 7, 47.