1246: Which one of the following is correctly matched ?
(a) Thyagaraja -- Tamil
(b) Purandara Das -- Kannada
(c) Jnaneshwar -- Bengali
(d) Sankaradeva -- Gujarati
1247: Which among the following has the largest perimeter?
(a) A square with an area of 25 sq cm
(b) An equilateral triangle with side 5 cm
(c) A circle with diameter 4 cm
(d) A rectangle with area 84 sq cm and one side 12 cm
1248: Where was the World Summit on Sustainable Development (Rio + 10) held ?
(a) Johannesburg
(b) Shanghai
(c) Nova Scotia
(d) Davos
1249: With reference to Indian satellites and their launchers, consider the following statements:
1. All the INSAT-series of satellites were launched abroad
2. PSLVs were used to launch IRS-series of satellites
3. India used the indigenously built cryogenic engines for the first time for powering the third stage of GSLV
4. GSAT, launched in the year 2001, has payloads to demonstrate digital broadcasts and internet services
Which of these statements are correct?
(a) 1, 2, 3 and 4
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1 and 3
1250: A new optical disc format known as the Blu-ray Disc (BD) is becoming popular. In what way is it different from the traditional DVD?
1. DVD supports Standard Definition video while BD supports High Definition video.
2. Compared to a DVD, the BD format has several times more storage capacity.
3. Thickness of BD is 2.4 mm while that of DVD is1.2 mm.
Which of the statements given above is! are correct?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3