3816: Consider the following :

1. Bluetooth device

2. Cordless phone

3. Microwave oven

4. Wi-Fi device

Which of the above can operate between 2-4 and 2-5 GHz range of radio frequency band ?

(a) 1 and 2 only
(b) 1, 2 and 4 only
(d) 3 and 4 only
(d) 1, 2, 3 and 4
3817: Two stores A and B mark the price of an item identically. A allows 3 successive discounts of 10% each. B allows 10% discount on the list price and a subsequent discount of 19%. Under the circumstances, which of the following is true?

(a) The price of the article is cheaper at A.

(b) The price of the article is cheaper at B.

(c) The price of the article is same at A and B.

(d) The price cannot Toe determined.
3818: ".........instil into the vast millions of workers, men and women, who actually do the job, a sense of partnership and of cooperative performance...."

The above passage relates to

(a) Planned Development
(b) Community Development
(c) Panchayati Raj System
(d) Integrated Development Programme
3819: Who is the President of the Council of Scientific and Industrial Reseach?

(a) President of India

(b) Vice-President of India

(c) Prime Minister of India

(d) Union Minister of Science and Technology
3820: Those who joined Mahatma Gandhi during the Champaran struggle included

(a) Vallabhbhai Patel and Vinobha Bhave

(b) Jawaharlal Nehru and Rajendra Prasad

(c) Rajendra Prasad and Anugraha Narayan Sinha

(d) Mahadev Desai and Maniben Patel