2241: The term Digital Single Market Strategy seen in the news refers to
(a) ASEAN
(b) BRICS
(c) EU
(d) G20
2242: What is the correct order of the following
A. Fisrt Battle of Panipat
B. Second Battle of Tarain
C. Establishment of East India Company
(a) B, A, C
(b) A, B, C
(c) C, A, B
(d) C, B, A
2243: Assertion (A) : A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at mach number equal to 1 near the sea level.
Reason (R) : the velocity of sound depends on the temperature of the surrounding medium.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2244: Bhakra Nangal, Hirakud and Kosi projects are situated on the rivers:
(a) Sutlej, Mahanadi and Kosi
(b) Sutlej, Mahanadi and Purna
(c) Mahanadi, Beas, Godavari
(d) Beas, Mahanadi, Sutlej
2245: 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