71.
If the number obtained on interchanging the
digits o a two – digit number is 18 more than the original number and the sum
of the digits is 8, then what is the original number?
a)
26
b)
35 53
c)
Cannot be determined
d)
None of these
72.
The difference between a two – digit number and
the number obtained by interchanging the digits is 36. What is the difference
between the sums of the difference of the digits of the number if the ratio
between the digits of the number is 1:2?
a)
4
b)
8
c)
16
d)
None of
these
73.
A number consists of 3 digits whose sum is 10.
The middle digit is equal to the sum of the other two and the number will be
increased by 99 if its digits are reversed. The number is:
a)
145
b)
253
c)
370
d)
352
74.
A two – digit number becomes five – sixth of
itself when its digits are reversed. The two digits differ by one. The number
is:
a)
45
b)
54
c)
56
d)
65
75.
A number consists of two digits such that the
digit in the ten’s place is less by 2 than the digit in the unit’s place. Three
times the number added to 6/7 time the number obtained by reversing the digits
equals 108. The sum of the digits in the number is
a)
6
b)
7
c)
8
d)
9
ANSWERS
