📢 1800+ Railway Questions & RRB Study Material🚀
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For the following questions answer them individually
Simplify: $$16.5 - 16.5 \div 2.2 + 3 \times 5$$
22.5
33
12.25
24
The length of a rectangular plot is 20 m more than its breadth. If the cost of fencing the plot at Rs.26.50 per metre is Rs.5300, what is the length of the plot in metres ?
120 m
40 m
60 m
50 m
What is the minimum age required to be the President of India?
40 Years
37 years
35 Years
38 Years
What is the probability of getting exactly one head when a coin is tossed twice?
$$\frac{3}{4}$$
$$\frac{1}{2}$$
$$\frac{1}{4}$$
1
Major Aerosol pollutant in jet plane emission is-
Sulphur dioxide
Carbon monoxide
Methane
Fluoro carbon
Non-metals are bad conductors of electricity EXCEPT-
Sulphur
Graphite
Hydrogen
Nitrogen
The nucleus of an atom contains-
Protons and neutrons
Protons
Neutrons
Electrons
How much negative charge does an electron possess?
$$1.8 \times 10^{-19}$$C
$$1.6 \times 10^{-19}$$C
$$1.4 \times 10^{-21}$$C
$$1.6 \times 10^{-23}$$C
In human body, cells contain -
21 pairs of chromosomes
22 pairs of chromosomes
20 pairs of chromosomes
23 pairs of chromosomes
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