If all the words with or without
meaning are written using the
letters of the word QUEEN and
are arranged as in English
dictionary.What is the position
of the word QUEEN?
a)44th b)45th c)46th d)47th
A sound wave of velocity 350m/s
is directed towards the surface of
the water. If the ratio of the
wavelength of sound in air to that
in water 150 ratio 475.Calculate
the velocity of the wave in water.
A 90cm uniform lever has a load
of 30N suspended at 15cm from
one of its ends.If the fulcrum is at
the centre of gravity what is the
force that must be applied to its
other end to keep it in horizontal
equilibrium?
Two carnot emgines A and B are operated in
series. engine A receiepved heat?from
a reservoir at 600 K and rejects it to
a reservoir at temp T. B receives
heat rejected by A and in turn rejects
it to reservoir at 100K.
Find (η_B /η_A )
η efficiency
An 8 digit number divisible by 9 is
to be formed using digits from
0 to 9 without repeating the digits.
The number of ways in which this
can be done is?
a)72(7i) b)18(7i) c)40(7i) d)36(7i)
please I mean factorial by i.The
part of my screen where the factorial
symbol is isnt functioning.Thanks