771: In a rectangle with one side 4 cms, twelve equal squares are kept. There are three rows, each containing four squares. There is no empty space in between adjacent squares. What is the area of each square ?
(a) 5/7 sq cm
(b) 7/5 sq cm
(c) 1 sq cm
(d) 25/12 sq cm
772: What was the reason for Mahatma Gandhi to organize a satyagraha on behalf of the peasants of Kheda ?
1. The Administration did not suspend the land revenue collection in spite of a drought.
2. The Administration proposed to introduce Permanent Settlement in Gujarat.
Which of the statements given above is/ are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 or 2
773: Which of the following distance-time graph (x - t) represents one-dimensinal uniform motion?
774: For India, China, the UK and the USA, which one of the following is the correct sequence of the median age of their populations?
(a) India < China < USA < UK
(b) China < India < UK < USA
(c) China < India < USA < UK
(d) India < China < UK < USA
775: The heart of human embryo starts beating
(a) in the first week of its development
(b) in the third week of its development
(c) in the fourth week of its development
(d) in the sixth week of its development