Aptitude Number Test 08

1) The sum of two numbers 180 and their difference is 30. what is the difference of their squares?





2) The difference of two numbers is 9 and their sum is 25. what is their product?





3) What is the least number which is a perfect square and contains 48 as a factor?





4) The difference between a two digit number and the number obtained by inter changing its digits is 27. what is the difference between two digits of the number?





5) From 82 to 120 what is the sum of the numbers?





6) Between 140 and 198, what is the sum of all odd numbers?





7) The sum of three consecutive numbers is 87. what is the middle number?





8) The sum of three consecutive numbers is 27. what is the largest number of the three/





9) What is the least value of K such that 4876 K is divisible by 11?





10) The sum of three consecutive numbers is 36 more than the middle number. What is the first of three numbers?







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