System of Numbers



Question (1/197)

Sum of 4 numbers is 64. If 3 is added to first number, 3 is subtracted from second number, third number is multiplied by 3 and the fourth is divided by 3, then all the results are equal. What is the difference between the largest and the smallest of the original numbers ?

(A)  21


(B)  27


(C)  32


(D)  38


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Question (2/197)

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. What is the number ?

(A)  18


(B)  24


(C)  42


(D)  81


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