NCERT 2022 | संबंध एवं फलन - L7 | relation and function | Class 12 गणित | Jitendra Sir | 11 AM |

Class 12 Maths | Chapter 1 | संबंध एवं फलन | Important Questions | Quick Revision

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Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range: (i) {(2,1), (3,1),(4,2)} (ii) {(2,2),(2,4),(3,3),(4,4)} (iii) {(2,1),(5,1),(8,1),(11,2),(14,2),(17,2)} (iv) {(1,2),(2,3),(3,4),(4,5),(5,6),(6,7)} (v){(2,1),(4,2),(6,3),(8,4),(10,5)} (vi) {(1,2),(2,3),(3,4),(3,5),(3,7),(4,8)}

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (i) {(2,1),(5,1),(8,1),(11,1),(14,1),(17,1)} (ii) {(2,1),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)} (iii) {(1,3),(1,5),(2,5)}

which of the following relation are functions and give reason if it is a function determine its domain and range {(2,1),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)}

Which of the following relations are functions ? Give reasons . In case of a functions find its domain and range . (i) f = {(-1,2) , (1,8) (2,11) , (3,14)} (ii) g = { (1,1) , (1,-1) , (4,2) , (9,3) , (16,4)} (iii) h={(a,b) , (b,c) , (c, d),(d,c)}

Which of the following relations are functions? Give reasons. In case of a function, find its domain and range. (i) f={(1 ,3),(1,5),(2,3),(2,5)} (ii) g={(2,1),(5,1),(8,1),(11,1)} (iii) h={(2,1),(4,2),(6,3),(8,4),(10,5),(12,6)}

There are twelve friends A, B, C, D, E, F, G, H, I, J, K and L who invested money in some business in the ratio of 1 : 2 : 3 : 4: 5 : 6 : 7 : 8 : 9 : 10 : 11 : 12 and the duration for which they invested the money is in the ratio of 12 : 11 : 10 : 9 : 8 : 7 : 6 : 5 : 4 : 3 : 2 : 1 respectively. Who will get the maximum profit at the end of the year ?

Class 12 Maths Chapter 1 Relations And Functions Important Questions | CBSE Board Quick Revision

The average age of 15 boys in a class is 11 years 3 months. If A boy of 12 years and 7 months join that class, what will be the average age of the boys in the class?