Top 10 High IQ question (इसके सामने अच्छे अच्छे फेल)

A hemisphere is kept on top of a cube. Its front view is shown in the given figure the total height of the figure is 21cm. The ratio of curved surface area of hemisphere and total surface area of cube is 11 : 42. What is the total volume (in cm^2 ) of figure? एक अर्धगोला एक घन पर रखा गया है। इसके सामने का दृश्य आकृति में दर्शाया गया है। आकृति की कुल ऊँचाई 21 से.मी. हैं अर्धगोले के वक्र पृष्ठीय क्षेत्रफल तथा घन के कुल पृष्ठीय क्षेत्रफल का अनुपात 11 : 42 है। आकृति का कुल आयतन ( से.मी.^2 में) क्या है?

From the top of 120 m high lighthouse, the angle of depression of two ships on opposite side of the base of the lighthouse is 30^@ and 60^@ . What is the distance between the ships? (rounded off) 120 मी ऊँची लाइट हाउस के शीर्ष से इसके आधार के विपरीत दिशाओं में दो जहाज़ो का अवनमन कोण 30^@ और 60^@ है | जहाज़ों के बीच की दूरी ज्ञात करें |

From the top of a 10 m high building, the angle of elevation of the top of a tower is 60^@ and the angle of depression of its foot is 45^@ . Find the height of the tower

A man weighing 70kg carries a weight of 10kg on the top of a tower 100 m high. Calculate the work done by the man. (g = 10m//s^2)

A flag - staff of 10 meters high stands on a building of 50 meters height.For an observer at a height of 60 meters,the flag - staff and the building subtend equal angles. The distance of the observer from the top of the flag - staff is

From the foot of a tower 90m high, a stone is thrown up so as to reach the top of the tower. Two second later another stone is dropped from the top of the tower. Find when and where two stones meet (Take g = 10 m//s^(2) )

From the top of a 10 m high building, the angle of elevation of the top of a tower is 60^@ and the angle of depression of the foot of the tower is Theta , such that tan Theta = 2/3 . What is the height of the tower to nearest metres? 10 मी ऊँची इमारत से किसी मीनार के शीर्ष का उन्नयन कोण 60^@ है तथा मीनार के तल का अवनमन कोण Theta इस प्रकार है कि tan Theta = 2/3 है | निकटतम मीटर तक मीनार की ऊंचाई ज्ञात करें |