2461: A and B start from the same point and in the same direction at 7 a.m. to walk around a rectangular field 400 m x 300 m. A and B walk at the rate of 3 km/hr and 2.5 km/hr respectively. How many times shall they cross each other if they continue to walk till 12 : 30 p.m?

(a) Not even once
(b) Once
(c) Twice
(d) Thrice
2462: The resolution for removing the Vice-President of India can be moved in the:

(a) Lok Sabha alone
(b) Either House of Parliament
(c) Joint Sitting of Parliament
(d) Rajya Sabha alone
2463: What was the important reason for the fall of Vijayanagar Empire?

(a) Unity among the Muslim rulers

(b) Internal instability and weakness of Princes

(c) Moplah's rebellion

(d) Economic bankruptcy
2464: Consider the following functionaries:

I. Cabinet Secretary

II. Chief Election Commissioner

III. Union Cabinet Ministers

IV. Chief Justice of India

Their correct sequence, in the Order of Precedence is

(a) III, IV, II, I
(b) IV, III, I, II
(c) IV, III, II, I
(d) III, IV, I, II
2465: 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