666: There are 6 persons A, B, C, D, E and F. they are to be seated in a row such that B never sits anywhere ahead of A, and C never sits anywhere ahead of B. In how many different ways can this be done?
(A) 120
(B) 72
(C) 60
(D) None
667: Each of 2 women and 3 men is to occupy one chair out of 8 chairs, each of which is numbered from 1 to 8. First, women are to occupy any two chairs from those numbered 1 to 4; and then 3 men would occupy any three chairs out of the remaining 6 chairs. What is the maximum number of different ways in which this can be done ?
(a) 40
(b) 132
(c) 1440
(d) 3660
668: With reference to the economic history of medieval India, the term 'Araghatta' refers to
(a) bonded labour
(b) land grants made to military officers
(c) waterwheel used in the irrigation of land
(d) wasteland converted to cultivated land
669: Lectures from Colombo to Almora is based on the experiences of which one of the following?
(a) Veer Savarkar
(b) Annie Besant
(c) Ramkrishna Paramhansa
(d) Swami Vivekanand
Explanation:
"Lectures from Colombo to Almora" is a collection of 29 speeches of 'Swami Vivekananda' right from his first public address given in Colombo on Jar; 15th, 1897, after coming back from his triumphant visit to America.
670: While delivering the presidential address, the Congress President who advocated the introduction of Roman script for Hindi language was
(a) Mahatma Gandhi
(b) Jawaharlal Nehru
(c) Abul Kalam Azad
(d) Subhas Chandra Bose
Explanation:
It was Subhash Chandra Bose during his Presidential address in 1938, advocated the Introduction of Roman Script for Hindi Language.