Let b be a positive integer and a = b2 - b. If b3 = 4, then a2 - 2a is divisible by:

1.  15

2.  20

3.  24

4.  None of these

View Answer  
4
Correct Answer :

24


Explanation :
No Explanation available for this question

In a 4 - digit number, the sum of the first two digits is equal to that of the last two digits. The sum of the first and last digits is equal to the third digit. Finally, the  sum of the second and fourth digits is twice the sum of the other two digits. What is the third digit of the number

1.  5

2.  8

3.  1

4.  4

View Answer  
4
Correct Answer :

5


Explanation :
No Explanation available for this question

Let n be the number of different 5 digits numbers, divisible by 4 that can be formed with the digits 1, 2, 3, 4, 5 and 6, with no digit being repeated. What is the value of n

1.  144

2.  168

3.  192

4.  None of these

View Answer  
4
Correct Answer :

192


Explanation :
No Explanation available for this question

In some code, letters a, b, c, d and e represents numbers 2, 4, 5, 6 and 10. We just don't know which letter represents which number. Consider the following relationships: i)   a + c = e, ii)  b - d = d and iii) e + a = b Which statement below is true

1.  b = 4, d = 2

2.  a = 4, e = 6

3.  b = 6, e = 2

4.  a = 4, c = 6

View Answer  
4
Correct Answer :

a = 4, e = 6


Explanation :
No Explanation available for this question

In a number system, the product of 44 and 11 is 1034. The number 3111 of this system, when converted to the decimal number system, becomes

1.  406

2.  1086

3.  213

4.  691

View Answer  
4
Correct Answer :

406


Explanation :
No Explanation available for this question

The cost in rupees per tonne of oil moved by rail and road happens to be roughly

1.  3

2.  1.5

3.  4.5

4.  8

View Answer  
4
Correct Answer :

1.5


Explanation :
No Explanation available for this question

Which of the following is a feasible group of three

1.  David, Ram, Rahim

2.  Peter, Shyam, Rahim

3.  Kavita, David, Shyam

4.  Fiza, David, Ram

View Answer  
4
Correct Answer :

Peter, Shyam, Rahim


Explanation :
No Explanation available for this question

Which of the following is a feasible group of four

1.  Ram, Peter, Fiza, Rahim

2.  Shyam, Rahim, Kavita, David

3.  Shyam, Rahim, Fiza, David

4.  Fiza, David, Ram, Peter

View Answer  
4
Correct Answer :

Shyam, Rahim, Fiza, David


Explanation :
No Explanation available for this question

Which of the following statements is true

1.  Kavita and Ram can be part of a group of four.

2.  A group of four can have two women.

3.  A group of four can have all four men.

4.  None of the above.

View Answer  
4
Correct Answer :

None of the above.


Explanation :
No Explanation available for this question

A king has unflinching loyalty from eight of his ministers M1 to M8, but he has to select only four to make a cabinet committee. He decides to choose these four such that each selected person shares a liking with at least one of the other three selected. The selected persons must also hate at least one of the likings of any of the other three persons selected. M1 likes fishing and smoking, but hates gambling, M2 likes smoking and drinking, but hates fishing, M3 likes gambling, but hates smoking, M4 likes mountaineering, but hates drinking, M5 likes drinking, but hates smoking and mountaineering, M6 likes fishing, but hates smoking and mountaineering, M7 likes gambling and mountaineering, but hates fishing, and M8 likes smoking and gambling, but hates mountaineering. Who are the four people selected by the king

1.  M1, M2, M5, M6

2.  M3, M4, M5, M6

3.  M4, M5, M6, M8

4.  M1, M2, M4, M7

View Answer  
4
Correct Answer :

M1, M2, M4, M7


Explanation :
No Explanation available for this question
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