26: 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
27: Consider the following statements :
1. Steam at 100 Degree Celsius and boiling water at 100 Degree Celsius contain same amount of heat.
2. Latent heat of fusion of ice is equal to the latent heat of vaporization of water.
3. In an air-conditioner, heat is extracted from the room-air at the evaporator coils and is rejected out at the condenser coils.
Which of these statements is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) Only 2
(d) Only 3
28: A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is
(a) 1
(b) 3
(c) 4
(d)
29: A rectangle has a perimeter of 50 meters. If its length is 13 metres more than its breadth, then its area is
(a) 124 m2
(b) 144 m2
(c) 114 m2
(d) 104 m2
30: A universal donor has the blood group belonging to:
(a) A
(b) B
(c) O
(d) AB