1741: Metals used in voltaic cell are:

(a) Zinc and lead

(b) Carbon and zinc

(c) Zinc and copper

(d) Carbon and nickel
1742: Consider the following statements:

1. Jawaharla Nehru was in his fourth term as the Prime Minister of India at the time of his death.

2. Jawaharlal Nheru represented Rae Bareilly constituency as a Member of Parliament.

3. The first non-Congress Prime Minister of India assumed the Office in the year 1977.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 1 and 2
(c) 3 only
(d) 1 and 3
1743: The Panchayati Raj was first introduced in the States of Rajasthan and

(a) Andhra Pradesh

(b) Bihar

(c) Gujarat

(d) Orissa
1744: A trader loses 20 per cent by selling an article for Rs. 480. If he is to gain 20 per cent, he should sell it for rupees ______

(a) 520

(b) 600

(c) 720

(d) 800
1745: (1) A school admits only mentally retarded children

(2) Only the students of this school are invited to attend a party hosted by the mayor

(3) I.Q. of mentally retarded persons is less than 60

What conclusion can be drawn from the above ?

(a) All those who attended the party had an I.Q. less than 60

(b) All the students who attended the party had an I.Q. less than 60

(c) Some gentlemen were also invited to the party

(d) None of the above