ReasoningAbility.com

Sum of n terms in AP Advanced Worksheet: Focus on exam-oriented approach Sum of n terms in AP ADVANCED

Level up your Sum of n terms in AP skills! You're at Worksheet 8 of 10 (77% through this series). This exam hall simulation worksheet features 20 advanced-level problems with a focus on exam-oriented approach. Topics covered: sum of n terms in ap bank exam questions, sum of n terms in ap ssc cgl, sum of n terms in ap reasoning tricks.

📝 Worksheet 8 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Advanced level

What you'll learn in this worksheet:
Your progress through Sum of n terms in AP
Worksheet 8 of 10 (77% complete)

Question 1

Find the sum of first 13 terms of the AP: First term=7, common difference=5.
S_n = n/2 [2a + (n-1)d] = 13/2*[2*7+(12)*5] = 481.0

Question 2

Find the sum of first 15 terms of the AP: First term=3, common difference=3.
S_n = n/2 [2a + (n-1)d] = 15/2*[2*3+(14)*3] = 360.0

Question 3

Find the sum of first 9 terms of the AP: First term=11, common difference=8.
S_n = n/2 [2a + (n-1)d] = 9/2*[2*11+(8)*8] = 387.0

Question 4

Find the sum of first 16 terms of the AP: First term=8, common difference=3.
S_n = n/2 [2a + (n-1)d] = 16/2*[2*8+(15)*3] = 488.0

Question 5

Find the sum of first 18 terms of the AP: First term=9, common difference=8.
S_n = n/2 [2a + (n-1)d] = 18/2*[2*9+(17)*8] = 1386.0

Question 6

Find the sum of first 10 terms of the AP: First term=2, common difference=3.
S_n = n/2 [2a + (n-1)d] = 10/2*[2*2+(9)*3] = 155.0

Question 7

Find the sum of first 11 terms of the AP: First term=12, common difference=7.
S_n = n/2 [2a + (n-1)d] = 11/2*[2*12+(10)*7] = 517.0

Question 8

Find the sum of first 13 terms of the AP: First term=5, common difference=5.
S_n = n/2 [2a + (n-1)d] = 13/2*[2*5+(12)*5] = 455.0

Question 9

Find the sum of first 10 terms of the AP: First term=9, common difference=6.
S_n = n/2 [2a + (n-1)d] = 10/2*[2*9+(9)*6] = 360.0

Question 10

Find the sum of first 10 terms of the AP: First term=9, common difference=7.
S_n = n/2 [2a + (n-1)d] = 10/2*[2*9+(9)*7] = 405.0

Question 11

Find the sum of first 10 terms of the AP: First term=5, common difference=6.
S_n = n/2 [2a + (n-1)d] = 10/2*[2*5+(9)*6] = 320.0

Question 12

Find the sum of first 15 terms of the AP: First term=10, common difference=3.
S_n = n/2 [2a + (n-1)d] = 15/2*[2*10+(14)*3] = 465.0

Question 13

Find the sum of first 18 terms of the AP: First term=2, common difference=7.
S_n = n/2 [2a + (n-1)d] = 18/2*[2*2+(17)*7] = 1107.0

Question 14

Find the sum of first 20 terms of the AP: First term=11, common difference=8.
S_n = n/2 [2a + (n-1)d] = 20/2*[2*11+(19)*8] = 1740.0

Question 15

Find the sum of first 18 terms of the AP: First term=8, common difference=8.
S_n = n/2 [2a + (n-1)d] = 18/2*[2*8+(17)*8] = 1368.0

Question 16

Find the sum of first 7 terms of the AP: First term=2, common difference=2.
S_n = n/2 [2a + (n-1)d] = 7/2*[2*2+(6)*2] = 56.0

Question 17

Find the sum of first 19 terms of the AP: First term=9, common difference=6.
S_n = n/2 [2a + (n-1)d] = 19/2*[2*9+(18)*6] = 1197.0

Question 18

Find the sum of first 9 terms of the AP: First term=12, common difference=5.
S_n = n/2 [2a + (n-1)d] = 9/2*[2*12+(8)*5] = 288.0

Question 19

Find the sum of first 14 terms of the AP: First term=3, common difference=3.
S_n = n/2 [2a + (n-1)d] = 14/2*[2*3+(13)*3] = 315.0

Question 20

Find the sum of first 10 terms of the AP: First term=9, common difference=2.
S_n = n/2 [2a + (n-1)d] = 10/2*[2*9+(9)*2] = 180.0
Previous Worksheet Next Worksheet