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We have, R sits second to the left of P. Only two persons are sitting between P and N. From the above condition, there are two possibilities. Again we have, Only one person sits between N and M. M does not sit adjacent to P. The number of persons sits between P and M is the same as the number of persons sit between P and Q.
Again we have, The number of persons sits between R and N is one less than the number of persons sits between Q and M, when counted to the right of both R and M respectively M sits exactly in the middle of L and N. sits second to the right of L. From the above condition, case1 gets eliminated. Case 2 shows the final arrangement.
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
If cot5A = tan(3A-14˚), find the value of A? Given that 5A and 3A-14˚ are acute angles.
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
The minimum value of 9 cos2 θ + 36 sec2 θ is
sin2 7˚ + sin2 9˚ + sin2 11˚ + sin2 12˚ + ……… + sin2 83˚ = ?
(cos5°+sin5°)/(cos5°-sin5°) is equal to:
If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
If sec x + tan x = 11 then find secx?