Question
Two circles of radii 8 cm and 3 cm have their centers 15
cm apart. What is the length of the common internal tangent?Solution
The length of the common internal tangent is given by √(d² - (r₁ - r₂)²), where d is the distance between the centers, r₁ and r₂ are the radii of the circles. Substituting the values, √(15² - (8 - 3)²) = √(225 - 25) = √200 = 14.14 ≈ 14 cm. Correct answer: c) 14 cm
Deepak introduces Raju saying, "He is the husband of the granddaughter of the father of my father." How is Raju related to Deepak?
Pointing to a man in a photograph, Anitha said, "His mother’s only’ daughter is my mother.' How is Anitha related to that man?
'A + B' means 'A is the father of B'. 'A = B' means 'A is the son of B'. 'A ÷ B' means 'A is the daughter of B'. 'A X B' means 'A is married to B'. In ...
Select the option in which the numbers shares the same relationship as that shared by the given pair of numbers.
(73, 78, 93)
Amit is the brother of Sonia. Jyoti is the sister of Nikita. Sonia is the daughter of Satish’s father. Nikita is the daughter of Kavinder. Jyoti i...
Select the option in which the words share the same relationship as that shared by the given pair of words.
Wheel : Spoke
P@Q’ means ‘P is brother of Q’. ‘P#Q’ means ‘P is sister of Q’. ‘P%Q’ means ‘P is married to Q’. ‘P!Q’ means ‘P is mother of...
Select the option in which the words share the same relationship as that shared by the given pair of words.
Japan : Tokyo
Select the option in which the words share the same relationship as that shared by the given pair of words.
Horses : Neigh
Select the option in which the words share the same relationship as that shared by the given pair of words.
Clock : Time
