The Octal Number System has eight digits. What are the digits?A) 1,2,3,4,5,6,7,8B) -1,0,2,3,4,5,6,7C) 0,1,2,3,4,5,6,7D) 1,2,3,4,5,A,B,C

The Octal Number System has eight digits. What are the digits?A) 1,2,3,4,5,6,7,8B) -1,0,2,3,4,5,6,7C) 0,1,2,3,4,5,6,7D) 1,2,3,4,5,A,B,C

he product of the two-digit number a4 and the three-digit number 3bc is 7656. What is the average of a, b and c? (a, b, c are digits)

If r and s are two digits of the number 65723rs such that this number is divisible by 40, then r + s  =  ?(A)  6     (B)  3    (C)  2    (D)  4

If r and s are two digits of the number 65723rs such that this number is divisible by 40, then r + s  =  ?(A)  6     (B)  3    (C)  2    (D)  4Options :ABCD

A number of three digits in base 7, when expressed in base 9, has its digitsreversed in the order. What is the sum of the digits of the number