646: A big rectangular plot of area 4320 m2 is divided into 3 square-shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square could be formed. So, 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot such that no area of the plot was left surplus. What are the dimensions of the original plot?
(A) 120 m x 36 m
(B) 135 m x 32 m
(C) 240 m x 18 m
(D) 160 m x 27 m
647: Consider the following statements :
1. The Ikshvaku rulers of southern India were antagonistic towards Buddhism.
2. The Pala rulers of Eastern India were patrons of Buddhism.
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
Explanation:
The Ikshvakus of Andhra might have been a distant branch of main Ikshvaku family of Ayodhya established their own
kingdom in the Krishna-Guntur region with Amaravati as their capital. They were patrons of Amaravati school of Art
centering on Buddhist them'e. Buddhism spread to Tibet, Java, Sumatra and Malaysia during the Pala period. 'Devapala'
permitted the Sailendra ruler of Sri Vijaya (Indonesia) 'Balaputradeva' to construct vihara at Nalanda. Dharmapala
founded Vikramasila University and revived Nalanda University.
648: With reference to the scientific progress of ancient India, which of the statements given below are correct?
1. Different kinds of specialized surgical instruments were in common use by 1st century AD.
2. Transplant of internal organs in the human body had begun by the beginning of 3rd century AD.
3. The concept of sine of an angle was known in 5th century AD.
4. The concept of cyclic quadrilaterals was known in 7th century AD.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
Explanation:
- Option 2 is not correct, as first successful internal organ transplant in the human body was done in 1954 in USA.
- The formula for the area of a cyclic quadrilateral has been discovered by the 7th century Indian mathematician Brahmagupta.
- The significant development of trigonometry in India, was in the works known as the Siddhantas (4th-5th century), which first defined the sine as the modern relationship between half an angle and half a chord.
649: What was the main reason for the split in the Indian National Congress at Surat in 1907?
(a) Introduction of communalism into Indian politics by Lord Minto
(b) Extremists lack of faith in the capacity of the moderates to negotiate with the British Government
(c) Foundation of Muslim League
(d) Aurobindo Ghoshs inability to be elected as the President of the Indian National Congress
650: Which of the following pairs is correct?
(a) Mahatma Gandhi : Swaraj is my birth right
(b) Jawaharlal Nehru : Truth and nonviolence are my God
(c) Sardar Patel : Dilli Chalo
(d) Subhash Chandra Bose : Give me blood, I will give you freedom