31. How
many two-digit numbers satisfy this property: The last digit (unit's digit) of
the square of the two-digit number is 8 ?
A. 1
B. 2
C. 3
D. None of these
32. Find
the square root of 1471369.
A. 1210
B. 1213
C. 1313
D. None of these
33. The
cube root of . 000216 is
A. .6 B. .06
C. .006 D.
None of these
34. The
largest four digit number which is a perfect cube, is
A. 8000 B.
9261
C. 9999 D.
None of these
