596: Two numbers X and Y are respectively 20% and 28% less than a third number Z. By what percentage is the number Y less than the number X ?
(A) 8%
(B) 9%
(C) 10%
(D) 12%
597: In the year 2002, the President of India presented the national award for excellence in public administration and management sciences to
(a) Kumar Manglam Birla
(b) N R Namayana Murthy
(c) Rahul Bajaj
(d) Ratan Tata
598: Consider the following statements:
1. NTPC is the largest power utility in India.
2. ONGC accounts for half of the LPG production in India.
3. Indian Oil Corporation operates all the oil refineries in India.
4. The Indian Ordinance Factory is the largest departmentally run industrial undertaking in the country.
Which of these statements is/are correct?
(a) 1 only
(b) 2 and 3
(c) 2, 3 and 4
(d) 1 and 4
599: 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
600: Consider the following statements:
1. A geostationary satellite is at an approximate height of 10,000 km.
2. FM transmission of music is of very good quality because the atmospheric or man-made noises which are generally frequency variations can do little harm.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 or 2