721: The following are the rulers of the slave dynasty:
I. Ghiyas-ud-din Balban
II. Iltutmish
III. Qutb-ud-din Aibak
IV. Nasir-ud-din Mahmud
The correct order in which these sultans ruled over India is
(a) II, III, I, IV
(b) I, IV, II, III
(c) IV, I, II, III
(d) III, II, IV, I
722: 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
723: Why the Indian farmers plough their fields during the time interval between two crops?
(a) In order to keep the soil loose for further cultivation
(b) To increase the porosity of the soil
(c) To escape drought
(d) To prevent clodding
724: Consider the following statements:
1. National Payments Corporation of India (NPCI) helps in promoting the financial inclusion in the country.
2. NPCI has launched RuPay, a card payment scheme.
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
725: In the context of any country, which one of the following would be considered as part of its social capital?
(a) The proportion of literates in the population
(b) The stock of its buildings, other infrastructure and machines
(c) The size of population in the working age group
(d) The level of mutual trust and harmony in the society