1221: Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first?
(a) Vessel A
(b) vessel B
(c) Vessel C
(d) All the vessel A,B & C will be emptied simultaneously
1222: Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distances between the two persons?
(a) 1.8 km, 0.15 km
(b) 2.2 km, 0.20 km
(c) 2.8 km, 0.25 km
(d) 3.3 km 0.3 km
1223: Consider the following statements:
1. The Sustainable Development Goals were first proposed in 1972 by a global think tank called the 'Club of Rome'.
2. The Sustainable Development Goals have to be achieved by 2030.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1224: In which one of the following oceans is Diamantina Trench situated ?
(a) Indian Ocean
(b) Atlantic Ocean
(c) Arctic Ocean
(d) Pacific Ocean
1225: Which one of the following statements is NOT correct?
(a) Ali Mardan Khan introduced the i system of revenue farming in Bengal
(b) Maharaja Ranjit Singh set up modern foundries to manufacture cannons at Lahore
(c) Sawai Jai Singh of Amber had Euclid's Elements of Geometry translated into Sanskrit
(d) Sultan Tipu of Mysore gave money for the construction of the idol of Goddess Sarda in the Shringeri temple