Where did Maharaja Jaisingh II built observatories ?

1. Delhi
2. Jaipur
3. Ujjain
4. Varanasi

Select the correct answer from the codes given below-
Codes :

A) 1 and 2

B) 1 and 3

C) 2 and 3

D) 1, 2, 3 and 4

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2011 (GS Paper I)