NUMBER SYSTEM QUIZ 01

01 Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

02. If one-third of one-fourth of a number is 15, then three-tenth of that number is:

03.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?

04 A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:

05 The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

06 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:

07. The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:

08. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:

09. The sum of two number is 25 and their difference is 13. Find their product.

10.What is the sum of two consecutive even numbers, the difference of whose squares is 84?