In the following figure, rectangle represents Cinematographers, circle represents Lyricists, triangle represents Trekkers and square represents Joggers. Which set of letters represents Trekkers who are not Joggers?
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. Narendra Modi, Manmohan Singh, Atal Bihari Vajpayee, ?
AB is the chord of circle of length 6 cm. From the center of the circle a perpendicular is drawn which intersects the chord at D and distance between centre and chord is 4 cm. find the area (in cm2) of the circle)