Which of the following pairs is/are NOT correctly matched ? (City) (River)1.Budapest - Danube2.Cologne - Rhine3.New Orleans - Missouri4.Hyderabad (India) - PaleruSelect the correct answer from the code given below:

1. A

   Only 1, 2 and 3

   Only 1, 2 and 3. Budapest–Danube and Cologne–Rhine are correctly matched.

2. B

   Only 3 and 4

   Only 3 and 4. New Orleans is on the Mississippi, not the Missouri. Hyderabad (India) is on the Musi, not the Paleru.

3. C

   Only 2, 3 and 4

   Only 2, 3 and 4. Cologne–Rhine holds.

4. D

   Only 1 and 2

   Only 1 and 2. Those two are correct matches, so they are not the answer to ‘NOT matched’.

Summary. Official key is (b) only 3 and 4. New Orleans–Missouri and Hyderabad–Paleru are the wrong pairs. Also note: Danube — Budapest; also Vienna, Belgrade; Rhine — Cologne; Rotterdam mouth; Mississippi — New Orleans; Missouri is a tributary upstream; Musi — Hyderabad; Paleru is a Krishna tributary in AP, not the city river.