A cat, which is sitting inside a tunnel PQ, at a distance of 50 m from the end P, notices a train approaching the end P of the tunnel from the outside. Now, if the cat runs towards the end P, then the train would meet it exactly at P. If the cat runs towards the end Q instead, then the train would meet it exactly at Q. Which of the following is not a possible value of the length PQ (in m) of the tunnel

1.  130

2.   120

3.   110

4.   100

5.   105

View Answer  
5
Correct Answer :

100


Explanation :
No Explanation available for this question

476**0 is divisible by both 3 and 11. What are the non-zero digits in the hundred's and ten's places respectively

1.  8 and 5

2.  6and 5

3.  8 and 2

4.  6 and 2

View Answer  
4
Correct Answer :

8 and 5


Explanation :
No Explanation available for this question

If (a, b) = (3, 4) and (m, n) = (4, 6), at how many distinct points, including the top-left and the bottom- right corners, does the straight line intersect the grid lines

1.  13

2.  10

3.  11

4.  12

5.  9

View Answer  
5
Correct Answer :

9


Explanation :
No Explanation available for this question

Which f the following numbers is exactly divisible by 11

1.  499774

2.  47554

3.  466654

4.  4646652

View Answer  
4
Correct Answer :

499774


Explanation :
No Explanation available for this question

If x and y are positive integers such that (3x + 7y) is a multiple of 11, then which of the followings are divisible by 11

1.  9x + 4y

2.  x + y + 4

3.  4x - 9y

4.  4x + 6y

View Answer  
4
Correct Answer :

4x - 9y


Explanation :
No Explanation available for this question

if (64)2 - (36)2 = 10x, then x =

1.  200

2.  220

3.  210

4.  280

View Answer  
4
Correct Answer :

280


Explanation :
No Explanation available for this question

2664÷12÷6=

1.  43

2.  41

3.  37

4.  33

View Answer  
4
Correct Answer :

37


Explanation :
No Explanation available for this question

Which one of the following cannot be the square of natural number

1.  15186125824

2.  49873162329

3.  14936506225

4.  60625273287

View Answer  
4
Correct Answer :

60625273287


Explanation :
No Explanation available for this question

Which one of the following can't be the square of natural number

1.  128242

2.  128881

3.  130321

4.  131044

View Answer  
4
Correct Answer :

128242


Explanation :
No Explanation available for this question

7128 + 1252 = 1202 +

1.  6028

2.  1248

3.  2348

4.  7178

View Answer  
4
Correct Answer :

7178


Explanation :
No Explanation available for this question
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