Q.5563·Miscellaneous·2020·EasyLet PQRS be the diameter of a circle of radius 9 cm. The length PQ, QR and RS are equal. Semi-circle is drawn with QS as diameter (as shown in the given figure). What is the ratio of the shaded region to that of the unshaded region?View question
Q.5564·Miscellaneous·2020·EasyWhich one of the following alternatives has the correct spelling?View question
Q.5565·Miscellaneous·2020·EasyOut of 4 identical balls of radius r, 3 balls are placed on a plane such that each ball touches the other two balls. The 4th ball is placed on them such that this ball touches all the three balls. What is the distance of centre of 4th ball from the plane?View question
Q.5566·Miscellaneous·2020·EasyWhat is the area of the largest square plate cut from a circular disk of radius one unit?View question
Q.5567·Miscellaneous·2020·EasyRavi was declared as the winner in the tie because he had hit the most number of fours and sixes.View question
Q.5568·Miscellaneous·2020·EasyIf an arc of a circle of radius 6 cm subtends a central angle measuring 30°, then which one of the following is an approximate length of the arc?View question
Q.5570·Miscellaneous·2020·EasyA circle of diameter 8 cm is placed in such a manner that it touches two perpendicular lines. Then another smaller circle is placed in the gap such that it touches the lines and the circle. What is the diameter of the smaller circle?View question
Q.5571·Miscellaneous·2020·EasyA wheel makes 360 revolutions in one minute. What is the number of radians it turns in one second ?View question
Q.5572·Miscellaneous·2020·EasyScattering of a-particles by a thin gold foil suggests the presence ofView question
Q.5573·Miscellaneous·2020·EasyThe elements of which of the following pairs are isobars ?View question
Q.5574·Miscellaneous·2020·EasyA tree of height 15 m is broken by wind in such a way that its top touches the ground and makes an angle 30° with the ground. What is the height from the ground to the point where tree is broken?View question
Q.5575·Miscellaneous·2020·EasyOn a plane area there are two vertical towers separated by 100 feet apart. The shorter tower is 40 feet tall. A pole of length 6 feet stands on the line joining the base of two towers so that the tip of the towers and tip of the pole are also on the same line. If the distance of the pole from the shorter tower is 75 feet, then what is the height of the taller tower (approximately)?View question
Q.5576·Miscellaneous·2020·EasyThe angles of elevation of the top of a tower from two points at distances p and q from the base and on the same straight line are 27° and 63° respectively. What is the height of the tower?View question
Q.5577·Miscellaneous·2020·EasyWhat is (tan x + tan y)(1 - cot x cot y) + (cot x + cot y)(1 - tan x tan y) equal to?View question
Q.5578·Miscellaneous·2020·EasyWhich one of the following chemical reactions is not feasible?View question
Q.5580·Miscellaneous·2020·EasyWhat is the area of the triangle having side lengths (y+z)/x, (z+x)/y, (x+y)/z ?View question