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Aptitude ➤ Problems On Numbers ➤ Set 1
In this section, questions involving a set of numbers are put in the form of a puzzle. You have to analyze the given conditions, assume the unknown numbers and form equations accordingly, which on solving yield the unknown numbers.
Question 1
Q1.  A number is as much greater than 36 as is less than 86. Find the number.
Question 2
Q2.  If one-third of one-fourth of a number is 15, then three-tenth of that number is :
Question 3
Q3.  Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number ?
Question 4
Q4.  The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number ?
Question 5
Q5.  The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is :

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