CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.3 Question 2
2. Find the sums given below:
(i)
(ii)
(iii) -5 + (-8) + (-11) + …. + (-230)
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CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.3 Question 2
2. Find the sums given below:
(i)
(ii)
(iii) -5 + (-8) + (-11) + …. + (-230)
CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.3 Question 1
1. Find the sum of the following AP’s.
(i) 2, 7, 12, …, to 10 terms (ii) -37, -33, -29, …. to 12 terms
(iii) 0.6, 1.7, 2.8, ….. to 100 terms (iv)
… to 11 terms.
CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.2 Question 20
20. Ramkali saved Rs. 5 in the first week of a year and then increased her weekly savings by Rs. 1.75. If in the nth week , her weekly savings become Rs 20.75, find n.
CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.2 Question 19
19. Subba Rao started work in 1995 at an annual salary of Rs 5000 and received an increment of Rs 200 each year. In which year did his income reach Rs 7000?
CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.2 Question 18
18. The sum of the 4th and 8th terms of an AP is 24 and the sum of 6th and 10th terms is 44. Find the three terms of the AP.