921: A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion ?
(a) O, Rh-
(b) O, Rh+
(c) AB, Rh-
(d) AB, Rh+
922: With reference to forced labour (Vishti) in India during the Gupta period, which one of the following statements is correct?
(a) It was considered a source of income for the State, a sort of tax paid by the people.
(b) It was totally absent in the Madhya Pradesh and Kathiawar regions of the Gupta Empire.
(c) The forced labourer was entitled to weekly wages.
(d) The eldest son of the labourer was sent as the forced labourer.
923: When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of the difference in
(a) pitch, loudness and quality
(b) pitch and loudness
(c) quality only
(d) loudness only
924: There are three parallel straight lines. Two points A and B are marked on the first line, points C and D are marked on the second line, and points E and F are marked on the third line. Each of these 6 points can move to any position on its respective straight line.
Consider the following statements:
I. The maximum number of triangles that can be drawn by joining these points is 18.
II. The maximum number of triangles that can be drawn by joining these points is zero.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
925: How many letters of the English alphabet (capitals) appear same when looked at in a mirror?
(A) 9
(B) 11
(C) 10
(D) 12