311: In which one among the following is the speed of sound maximum ?
(a) Air at 100 degree celcius
(b) Air at 0 degree celcius
(c) Wood
(d) Water
312: Consider the following events :
I. Indigo Revolt
II. Santhal Rebellion
III. Deccan Riot
IV. Mutiny of the Sepoys
The correct chronological sequence of these events is :
(a) IV, II, I, III
(b) IV, II, III, I
(c) II, IV, III, I
(d) II, IV, I, III
313: In India, how many States share the coastline?
(a) 9
(b) 10
(c) 7
(d) 8
314: With reference to 'Li-Fi', recently in the news, which of the following statements is/are correct?
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than 'WiFi'.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
315: Major difference between Varna and Jati, is that:
(a) Jatis are limited whereas Varnas are unlimited
(b) Jatis are only four whereas Varnas are many
(c) Varnas are only four whereas Jatis are many
(d) Jati is decided by birth but not Varna