Question
The one who wears Noise born in which month and
year? Read the following information carefully and answer the questions given below. Eight persons A, B, C, D, E, F, G and H are born in four different years viz., 1964, 1977, 1982 and 1991 and also in two different months viz., June and July but not necessary in the same order. All they are wearing eight different watches namely Noise, Omega, Citizen, Casio, Tissot, Timex, Titan and Amazfit. No two persons born in same month of a year. Age of the persons is calculated as on December 2020.Each year two persons were born in two different months. Months are not considered for age calculation. The person who wears Noise born immediately before F. F was born in the month which has 30 days. The sum of the ages of B and the one who wears Omega is equal to perfect square of a number. There are only three persons born between E and the one who wears Casio. D was not born in odd numbered year. More than two persons born between H and one who wears Tissot. As many persons born between A and the one who wears Timex is same as the persons born after the one who wears Citizen. There are two persons born between D and the one who wears Titan. Age of the one who wears Casio is not a prime number but born in one of the months before the one who wears Citizen. There are only two persons born between the one who wears Casio and the one wears Omega. Only one person born between B and the one who wears Titan, who was not born in the year 1964. C and the one who wears Tissot are born in different month. A was born immediately after the F. H does not like Timex. F was not born immediately before or after the one who wear Citizen.Solution
D was not born in odd numbered year. There are two persons born between D and the one who wears Titan. Only one person born between B and the one who wears Titan, who was not born in the year 1964. The sum of the ages of B and the one who wears Omega is equal to perfect square of a number.
The person who wears Noise shirt born immediately before F Age of the one who wears Casio is not a prime number but born in one of the months before the one who wears Citizen
As many persons born between A and the one who wears Timex is same as the persons born after The one who wears Citizen C and the one who wears Tissot are born in Different month. A was born immediately after F.
More than two persons born between H and one who wears Tissot. H does not like Timex. Final arrangement 
In a regular polygon, the ratio of the exterior angle to the interior angle is 4:5. Find the interior angle of the polygon.
If O is the orthocentre of ΔABC , if ∠ BOC = 1350 then what is the measure of ∠ BAC?
If y = 5x + c passes through point A(5, 2), what is the value of c?
...In a trapezium, the lengths of the parallel sides are 18 cm and 24 cm, and the height is 12 cm. A circle is inscribed in the trapezium. Find the radius ...
Find the area of triangle having sides 8 m, 9 m, and 13 m.
ABC is a triangle. AB = 5 cm, AC = √41 cm and BC = 8 cm. AD is perpendicular to BC. What is the area (in cm2) of triangle ABD?
The perimeter of a rectangle is 60 meters. If the length of the rectangle is twice the width, find the area of the rectangle.
What will be inradius of a right angle triangle whose base is 15cm & height is 8cm ?
PQ and PR are the two chords of a circle. The tangents at Q and R meet at A. If ∠QPR = 64°, then the measure of ∠QAR is?
Find the area of triangle having sides in the ratio 2:4:5 & the perimeter of the triangle is 22 cm