2386: When ten persons shake hands with one another, in how many ways is it possible ?
(A) 45
(B) 20
(C) 25
(D) 40
2387: An accurate clock shows the time as 3.00. After hour hand has moved 135°, the time would be
(a) 7.30
(b) 6.30
(c) 8.00
(d) 9.30
2388: High tides at antipodes are caused due to:
(a) Gravitational pull of the moon and the sun
(b) Gravitational pull of the sun
(c) Centrifugal, centripetal and gravitational pull of the sun
(d) Centrifugal, centripetal and gravitational pull of the sun and the moon
2389: In which of the following legislatures can a non-member be the Presiding Officer?
(a) Lok Sabha
(b) Rajya Sabha
(c) Vidhan Sabha
(d) None of these
2390: Who among the following was never the Lok Sabha Speaker?
(a) K. V. K. Sundaram
(b) G. S. Dhillon
(c) Baliram Bhagat
(d) Hukum Singh