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54 a 7 c 9 f 45 h 12 j 15 54 x 7 ÷ 9 = 45 + 12 – 15 42 = 57 – 15 42 = 42
Which blood group is the universal recipient?
A positively charged particle enters a uniform electric field directed downward. The force acting on the particle is:
What is the focal length of a plane mirror?
In Bernoulli's principle, increase in fluid velocity leads to:
A fish is at a depth d below the surface of a water tank. A cat observes the fish from air. Due to refraction at water-air interface, the apparent depth...
Biogas which is used for cooking purpose is a mixture of which of the following two components?
Which of the following statements about holes is incorrect ?
Which of the following reproduces using fission?
Which of the following correctly represents the order of increasing wavelength?
A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2....