## Ismaiel Kalady is teaching live on Unacademy Plus

AVERAGE PART 2 V SOLVING IN 5 SECS UNIQUE CONCEPTS SHORTCUT TRICKS FOR DEGREE LEVEL PSC

Course Contents - Basic Concepts of Average v Different types of Average Problems Unique Concepts for approaching average questions Advanced Tricks to solve in 5 secs Previous year PSC Questions included

Important Points - The average of a set of consecutive numbers midway between the smallest and the largest number in the set. - Avg. of Consecutive Numbers Smallest Number+Largest Number 2

1. Two towns A and B are some distance apart. A girl cycles from A to B at a speed of 10 km/hr and then back from B to A at the rate of 15 km/ hr. The average speed during the journey is: a) 12.5 km/hr b) 15 km/hr c) 12 km/hr d) 13.5 km/hr . Ans

1. Two towns A and B are some distance apart. A girl cycles from A to B at a speed of 10 km/hr and then back from B to A at the rate of 15 km/ hr. The average speed during the journey is: a) 12.5 km/hr b) 15 km/hr c) 12 km/hr d) 13.5 km/hr . Ans Avg. Speed-= 2XSXSz SrtS2

1. Two towns A and B are some distance apart. A girl cycles from A to B at a speed of 10 km/hr and then back from B to A at the rate of 15 km/ hr. The average speed during the journey is: a) 12.5 km/hr b) 15 km/hr c) 12 km/hr d) 13.5 km/hr . Ans Avg. Speed-= 2xN2 SrtS2

2. The average age of students in two classes of 40 students each is 10 years and 8 years respectively. The average age of students in both the classes taken together i: a) 8 years b) 9 years c) 10 years d) 11 years . Ans

2. The average age of students in two classes of 40 students each is 10 years and 8 years respectively. The average age of students in both the classes taken together i: a) 8 years b) 9 years c) 10 years d) 11 years . Ans Aug. 40 &tudents in Class 2.8

2. The average age of students in two classes of 40 students each is 10 years and 8 years respectively. The average age of students in both the classes taken together i: a) 8 years b) 9 years c) 10 years d) 11 years . Ans Avg. 40 &tuderts in dass 1-10 Aug. Y40&tudents in class 2-8 classe 3s 10+8 2

3.Average of two numbers is 8 and average of other three numbers is 3;the average of the five numbers is a)2b) 3 c) 5 d) 6 . Ans