SSC Government Jobs Exams Numerical Ability Averages

13) The average age of a class of 35 students is 15 years . If the teacher`s age is also included , the average age increases by 1 year . Futhermore , if the average age of the teacher`s family having a wife and a son`s age is 80 % less than his mother`s age , then age of teacher`s wife is a) 57.5 b) 60 c)65.9

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SSC Other Question
Radius of circumcircle of a right angled triangle is 15 cm and the radius of incircle is 6 cm. Find the sides of the triangle? A ferris wheel with radius 25m makes one rotation in 36secs. At the bottom of the ride the height of passenger is 1m above ground. Find the height of passenger at 45 secs.