711: With reference to the management of minor minerals in India, consider the following statements:
1. Sand is a minor mineral according to the prevailing law in the country.
2. State Governments have the power to grant mining leases of minor minerals, but the powers regarding the formation of rules related to the grant of minor minerals lie with the Central Government.
3. Stale Governments have the power to frame rules to prevent illegal mining of minor minerals.
Which of the statements given above is/are correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
712: Direct taxation was introduced by the ...... committee.
(a) Wanchoo
(b) Chetty
(c) Kaldor
(d) Raja Chelliah
713: Age of tree can be estimated by:
(a) Counting the number of concentric rings
(b) Counting the nodes and internodes of the trunk
(c) Measuring the girth of the tree trunk
(d) Counting the number of branches
714: The Chishti saint, in whose honour "Urs" is held in Ajmer every year, was
(a) Nizamuddin Auliya
(b) Moin-ud-din
(c) Nasiruddin Chiragh-i-Delhi
(d) Hamidud-Din Nagori
715: In a group of persons travelling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group none can speak any other language. If 2 persons in the group can speak two languages and one person can speak all the three languages, then how many persons are there in the group ?
(a) 21
(b) 22
(c) 23
(d) 24