2091. 1 square foot is equal to :

A. 48 Squares inches
B. 24 Squares inches
C. 72 Squares inches
D. 144 Square inches *

2092. Find the cube root of 2744 :

A. 14 *
B. 16
C. 19
D. 21

2093. The least number by which 294 :

A. 2
B. 6 *
C. 7
D. 9

2094. How many muscles does a human body have ?

A. 206
B. 660
C. 639 *
D. 173

2095. Whale, the largest sea-animal ,breathes through its :

A. Gills
B. Lungs *
C. Fins
D. Skin

2096. Why is sea water saline ?

A. Rivers carry soluble minerals from mountains so water becomes saline *
B. Due to the marine animals
C. It is a creation of God
D. None of the above

2097. Why does a dead body float on water ?

A. The weight of water displaced by the dead body is more than the weight of dead body *
B. Body loses weight after death
C. Both A and B
D. None of the above

2098. A small space is left between sets of two rails of a railway track because :

A. It is necessary to give bend to the lines
B. Metal expands on heating *
C. It is a technical fault
D. None of the above

2099. What happens when you put sodium chloride in a glass of water : Does it ?

A. Froth and buble
B. Make the water hot
C. Turn the water green
D. Turn it salty *

2100. The same side of the moon always faces the earth because :

A. The period of revolution of the moon is equl to the period of rotation *
B. Earth moves with the same speed
C. It is natural phenomenon
D. Moon cannot change its position