What is the two-digit number I. The difference of digits is 1 II. The sum of digits is 5 III. The number obtained on interchanging the digits is less than the original number by 9

1.  Any 2 statements

2.  All the three statements

3.  I and II only

4.  II and III only

5.  Data insufficient

View Answer  
5
Correct Answer :

I and II only


Explanation :
No Explanation available for this question

20% of a larger number is 2.3 less than 30% of a smaller number. The larger number also exceeds the smaller number by 10. What is the value of the larger number

1.  67

2.  33

3.  53

4.  47

View Answer  
4
Correct Answer :

53


Explanation :
No Explanation available for this question

What is the remainder when 273 is divided by 21

1.  2

2.  6

3.  11

4.  13

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

There are three numbers, which are in arithmetic progression, the common difference being 7. If  the  second number  is  diminished by 1  and  the  last number increased by 4,  the  numbers would be in geometric progression. Find the largest of the three numbers.

1.  13

2.   20

3.   24

4.  27

View Answer  
4
Correct Answer :

20


Explanation :
No Explanation available for this question

If x = (163 + 173 + 183 + 193), then x divided by 70 leaves a remainder of

1.  0

2.  1

3.  69

4.  35

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

The digits of a three-digit number A are written in the reverse order to form another three-digit number B. If B > A and B-A is perfectly divisible by 7, then which of the following is necessarily true

1.  100 < A < 299

2.  106 < A < 305

3.  112 < A < 311

4.  118 < A < 317

View Answer  
4
Correct Answer :

106 < A < 305


Explanation :
No Explanation available for this question

If a1 = 1 and an+1 – 3an + 2 = 4n for every positive integer n, then a100 equals

1.  399 – 200

2.  399 + 200

3.  3100 – 20

4.  3l00 + 200

View Answer  
4
Correct Answer :

3100 – 20


Explanation :
No Explanation available for this question

Let S be the set of five-digit numbers formed by the digits 1, 2, 3, 4 and 5, using each digit exactly once such that exactly two odd positions are occupied by odd digits. What is the sum of the digits in the rightmost position of the numbers in S

1.  228 

2.  216

3.  294

4.  192

View Answer  
4
Correct Answer :

216


Explanation :
No Explanation available for this question

The rightmost non-zero digit of the number 302720 is

1.  1

2.  3

3.  7

4.  9

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

If x ≥ y and y > 1, then the value of the expression logx(x/y)+logy(y/x) can never be

1.  –1

2.  –0.5

3.  0

4.  1

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question
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