236: Which of the following political parties/organisations were established by Dr. B. R. Ambedkar?
1. Swaraj Party
2. Samaj Samata Sangh
3. All India Scheduled Castes Federation
4. The Independent Labour Party
(a) 1, 2 and 4
(b) 1,3 and 4
(c) 2, 3 and 4
(d) 1, 2 and 3
237: What is true of Indian National Congress during World War II?
(a) It demanded for its co-operation with the British that a provincial national government may be set up at the centre
(b) It extended full support to the Indian National Army to oust the British from India
(c) It decided to extend full support to the allied nations
(d) It worked for the defeat of the allied nations
238: What does Baudhayan theorem (Baudltayan Sulva sutra) relate to ?
(a) Lengths of sides of a right-angled triangle
(b) Calculation of the value of pi
(c) Logarithm calculations
(d) Normal distribution curve
Explanation:
Baudhayan Sulva Sutra (1000 BC) is today known as the Pythagorus theorem, which states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. In Baudhayan theorem, this has been expressed as follows: in a Deerghchatursh (triangle), the chetra (square) of rajju (hypotenuse) is equal to the sum of squares of the parshvamani (base) and triyangmani (perpendicular line). It is amazing to note that the Pythagorus theorem was known in our country as far back as 1000 Bc.
239: With reference to Indian history, who among the following is a future Buddha, yet to come to save the world?
(a) Avalokiteshvara
(b) Lokesvara
(c) Maitreya
(d) Padmapani
240: Who among the following anticipated Newton by declaring that all things gravitate to the earth ?
(a) Aryabhata
(b) Varahamihira
(c) Buddhagupta
(d) Brahmagupta
Explanation:
Brahmagupta in his books Brahmasphuta Siddhanta and Khanda Khadyaka, postulated that. all things gravitate to the earth, long before than Newton.