Ex 5.1 class 10 1. In which of the following situations, does the list of numbers involved make an arithmetic progression, and why? (i) The taxi fare after each km when the fare is rupees 15 for the first km and Rs 8 for each additional km. (ii) The amount of air present in a … Read more
Ex 5.3 Class 10 1. Find the sum of the following APs: 1. Find the sum of the following APs: 2. Find the sums of given below 3. In an AP: 4. How many terms of AP: 9, 17, 25,… Must be taken to give a sum of 636 5. The first term of an … Read more
Ex 5.2 class 10 2. Choose the correct choice in the following and justify: 3. In the following APs, find the missing terms in boxes: 5. Find the number of terms in each of the following AP (i) 7,13,19………,205 (ii) 18, 15 1/2, 13, …..,-47 6. Check whether -150 is a term of AP; 11, … Read more
