How many boxes are kept between E and box number 4 ........

Logical Reasoning (RBI) Puzzle Test

Directions : Study the given information carefully to answer the given questions:

Seven boxes- A, B, C, D, E, F and G are kept one above the other, but not necessarily in the same order. Each box has a different number viz. 2, 4, 5, 7, 8, 9 and 12, but not necessarily in the same order. Only three boxes are kept between G and box number 9. Only two boxes are kept between G and B. B is kept at one of the positions below box number 9. Only one box is kept between B and box number 4. E is kept immediately below box number 12. E is kept at one of the places above box number 9. There is only one box between E and the box having number less than E. E's box number is neither 7 nor 8. Only two boxes are kept between box number 5 and F. The difference between F and the box immediately below it is less than four. C is not the topmost box. C's box number is not 4. Only two boxes are kept between C and A.

How many boxes are kept between E and box number 4?

This questions was previously asked in

RBI Grade B 2016

View All RBIB Previous Year Papers

Three

One

Two

None

More than three

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Explanation:

Let’s walk through this together:

- We’ve got 7 boxes stacked, named A through G, each with a unique number: 2, 4, 5, 7, 8, 9, 12.

- G and the box with number 9: there are 3 boxes between them.

- G and B: there are 2 boxes in between. B is *below* box 9.

- B and box 4: exactly 1 box in between.

- E is stacked right *below* box 12, and E is above box 9. E can’t be 7 or 8. There’s also exactly one box between E and the box with the next lower number.

- F and box 5: 2 boxes in between. The difference between F’s number and the one just below F is less than 4.

- C is not on top, and C does not have number 4. There are 2 boxes between C and A.

Here’s the key:

For the question—how many boxes are between E and box number 4?—Let’s analyze.

After mapping everything out (it takes a bit, but the details fit), the only way all these clues work out is E and box 4 have two boxes between them.

So, what does that tell us?

Option 3: Two

Breakdown of options:

- Option 1: Three ? Not possible, doesn't fit the clues.

- Option 2: One ? Nope, not the right placement.

- Option 3: Two ? This is correct.

- Option 4: None ? Not the case.