42) Which of the following countries doesn't have common border with India?

43) 'A' sold a motor cycle to 'B' at a gain of 15%, 'B' sold it to 'C' at a gain of 20%. If 'C' paid Rs. 897, then 'A' would have paid

44) Neutrons are present in all atoms except

45) Who won the Gynapeetha Award for 2013?

46) In Optical fibres, the propagation of light is due to