RRB Government Jobs Exams Category

As per census,2011.What is is the sex ratio of India

a.914
b.923
c.940
d.956

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RRB Other Question

The refractive index of water is 4/3.
What is the speed of light in water?

a.2.25*10^8 m/s
b.4*10^8 m/s
c.1.5*10^8 m/s
d.2.67*10^8 m/s
Which one of the following is not a leap year

a.1900 AD
b.1904 AD
c.2000 AD
d.1988 AD