Logical Reasoning

Ranking

Medium

Some girls were playing Kho-Kho while sitting in a row. Rib sits at sixth position from the left and Riya sits at fifth from the right. They both exchange positions and then Ribi becomes tenth from the left. What will be the new position of Riya from the right end of the row?

9th

6th

5th

10th

✅ Correct Option: 1

Initially, Ribi sits at the 6th position from the left and Riya sits at the 5th position from the right.

After exchanging positions, Ribi becomes 10th from the left. This means Ribi is now at Riya's original position.

Since Ribi's new position (10th from left) is the same as Riya's original position (5th from right), we can find the total number of girls in the row.

When a position is $n$ th from the left and $m$ th from the right:

Total positions $= n + m - 1$

Total positions $= 10 + 5 - 1 = 14$

After the exchange, Riya is now at Ribi's original position, which was 6th from the left.

To find Riya's position from the right:

Position from right $= \text{Total positions} - \text{Position from left} + 1$

Position from right $= 14 - 6 + 1$

Position from right $= 9$

Therefore, Riya's new position from the right end is 9th.

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Consider a group comprising of 4 students- A, B, C and D, who along with other students stand in a row. A and B stand in sixth and seventh positions, respectively from the left. C and D stand in the fourth and fifth positions, respectively from the right. When B and C exchange their positions, then B will be 15th from the left.

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Choose the correct answer from the options given below:

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In a row of 35 student, Ramesh is 24th from starting. Two student from last went away. What is the position of Ramesh from last row?

Some girls were playing Kho-Kho while sitting in a row. Rib sits at sixth position from the left and Riya sits at fifth from the right. They both exchange positions and then Ribi becomes tenth from the left. What will be the new position of Riya from the right end of the row?

Solution

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