Among the following cities, which one lies on a longitude closest to that of Delhi?

1. A

   Bengaluru

   (a) Bengaluru. (a) Official key: Delhi’s longitude is about 77.2° E; Bengaluru is about 77.6° E. That is the smallest gap among the four cities, so Bengaluru is the stored key.

2. B

   Hyderabad

   (b) Hyderabad. Hyderabad lies near 78.5° E, farther east of Delhi than Bengaluru. This is not the key.

3. C

   Nagpur

   (c) Nagpur. Nagpur is near 79.1° E, still farther east. This is not the key.

4. D

   Pune

   (d) Pune. Pune is near 73.9° E, well west of Delhi. The difference is larger than Bengaluru’s. This is not the key.

Summary. Official key is (a) Bengaluru. Delhi and Bengaluru share nearly the same meridian around 77° E. Hyderabad and Nagpur lie east; Pune lies west by a wider margin. Honour the stored letter (a).