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alisha

· started a discussion

· 1 Months ago

dought (Question:692375.2)

explain in detail please

Question:

DIRECTIONS: Refer to the following information for the following questions.


The letters A, B, C, D, E, F and G not necessarily in that order, stand for seven consecutive integers between 1 and 10 both inclusive.


● D is 3 less than A.

● B is the middle term.

● F is as much less than D as C is greater than D and none of three sit adjacent to each other. 

● G is greater than C.

The greatest possible value of C is how much greater than the smallest possible value of D?

Options:
A)

2 

B)

3 

C)

4 

D)

5

E)

6

Solution:

Ans: (d)According to the given conditions the following arrangement, (in increasing order) is possible. 


From the (i) condition- 

 D <__<__< A 

From (ii) condition-

There are 7 letters so B must be at fourth letter.

__ <__<__<  B <__<__<__

From (iii) condition- 

F <__ < D <__< C 

From condition (i) & (iii) 

F <__ < D <__< C < A 

Now,If we place one letter before F than condition(ii) will get violated.So the the one letter must be placed after A.

F <__ < D <__< C < A <__

From(iv) G should be placed after A and the remaining letter i.e. E must be at second place.

So the final arrangement will be-

F < E < D <  B < C < A < G



The greatest possible value of C is 8 the smallest possible value of D is 3. Therefore the difference between the two is 5.

Knowledge Expert

· commented

· 1 Months ago

Dear student
Given solution is appropriate, please solve it again.

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