Number System

Only available for you

101 The difference between a two digit number and the number obtained by interchanging digit's of the number is 9. The sum of the two digit's of the number is 15. What is product of the two digit's of number ?

A
56
B
50
C
58
D
52

102 If one-third of one-fourth of a number is 15, then three-tenth of that number is:

A
53
B
60
C
54
D
62

103 The product of two consecutive odd numbers is 6723. What is the greater number?

A
89
B
85
C
91
D
83

104 The sum of the four consecutive even numbers is 284. Find the smallest number:

A
72
B
74
C
68
D
66

105 The product of two consecutive even numbers is 15128. Find the average of these two numbers:

A
133
B
130
C
143
D
123

106 When in a school 54 students are made to stand in a row when 30 such rows are formed. If the students are made to stand in the rows of 45, how many such rows can be formed ?

A
46
B
26
C
36
D
66

107 The value of $$\frac{(0.96)^3 - (0.1)^3}{(0.96)^2 + 0.096 + (0.1)^2}$$ is:

A
0.86
B
0.96
C
1.6
D
None of these

108 A number consists of two digit's. If the digit's interchange generated number is added to the original number, then the resulting number will always divisible by:

A
10
B
11
C
13
D
12

109 If sum of the digit's of a two-digit number is 15 and the difference between the digit's is 3. What is the two-digit number?

A
96
B
90
C
98
D
cannot be determined

110 Find out the missing term in the series 108, 99, 90, 81,…, 63:

A
75
B
65
C
72
D
69