## What is the two-digit number whose first digit is a and the second digit is b?. The number is greater than 9. I. The number is multiple of 51.  II. The sum of the digits a and b is 6

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

## What is the number? I. The sum of the two digits is 8. The ratio of the two digits is 1 : 3.  II. The product of the two digit of a number is 12. The quotient of two digits is 3.

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

A.145

B.253

C.370

D.352

A.20

B.23

C.169

D.None of these

A.380

B.395

C.400

D.425

A.24

B.26

C.42

D.46

A.3

B.5

C.9

D.11