CSS - PMS - CCE - PCS - Mathematics
Algebra
Find the sum of the first 10 terms of the arithmetic sequence with first term 7 and common difference 6.
A. 360
B. 330
C. 350
D. 340
Correct Answer: D
S_n=n/2[2a+(n-1)d]=340.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Find the sum of the first 9 terms of the arithmetic sequence with first term 6 and common difference 5.
A. 243
B. 225
C. 234
D. 252
Correct Answer: C
S_n=n/2[2a+(n-1)d]=234.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Find the sum of the first 8 terms of the arithmetic sequence with first term 5 and common difference 4.
A. 168
B. 160
C. 152
D. 144
Correct Answer: C
S_n=n/2[2a+(n-1)d]=152.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Find the sum of the first 7 terms of the arithmetic sequence with first term 4 and common difference 3.
A. 91
B. 98
C. 84
D. 105
Correct Answer: A
S_n=n/2[2a+(n-1)d]=91.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Find the sum of the first 6 terms of the arithmetic sequence with first term 3 and common difference 2.
A. 48
B. 54
C. 60
D. 42
Correct Answer: A
S_n=n/2[2a+(n-1)d]=48.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 16 and common difference 4. What is its 9th term?
A. 52
B. 48
C. 44
D. 49
Correct Answer: B
a_n=16+(9-1)×4=48.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 15 and common difference 3. What is its 8th term?
A. 39
B. 36
C. 33
D. 37
Correct Answer: B
a_n=15+(8-1)×3=36.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 14 and common difference 2. What is its 7th term?
A. 27
B. 26
C. 24
D. 28
Correct Answer: B
a_n=14+(7-1)×2=26.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 13 and common difference 7. What is its 6th term?
A. 41
B. 49
C. 48
D. 55
Correct Answer: C
a_n=13+(6-1)×7=48.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 12 and common difference 6. What is its 5th term?
A. 37
B. 36
C. 30
D. 42
Correct Answer: B
a_n=12+(5-1)×6=36.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 11 and common difference 5. What is its 14th term?
A. 71
B. 76
C. 81
D. 77
Correct Answer: B
a_n=11+(14-1)×5=76.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 10 and common difference 4. What is its 13th term?
A. 58
B. 62
C. 54
D. 59
Correct Answer: A
a_n=10+(13-1)×4=58.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 9 and common difference 3. What is its 12th term?
A. 42
B. 43
C. 45
D. 39
Correct Answer: A
a_n=9+(12-1)×3=42.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 8 and common difference 2. What is its 11th term?
A. 30
B. 28
C. 26
D. 29
Correct Answer: B
a_n=8+(11-1)×2=28.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 7 and common difference 7. What is its 10th term?
A. 70
B. 63
C. 71
D. 77
Correct Answer: A
a_n=7+(10-1)×7=70.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 6 and common difference 6. What is its 9th term?
A. 54
B. 55
C. 60
D. 48
Correct Answer: A
a_n=6+(9-1)×6=54.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 5 and common difference 5. What is its 8th term?
A. 45
B. 41
C. 35
D. 40
Correct Answer: D
a_n=5+(8-1)×5=40.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 4 and common difference 4. What is its 7th term?
A. 32
B. 28
C. 29
D. 24
Correct Answer: B
a_n=4+(7-1)×4=28.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 3 and common difference 3. What is its 6th term?
A. 15
B. 19
C. 21
D. 18
Correct Answer: D
a_n=3+(6-1)×3=18.
CSS - PMS - CCE - PCS - Mathematics
Algebra
An arithmetic sequence has first term 2 and common difference 2. What is its 5th term?
A. 8
B. 11
C. 10
D. 12
Correct Answer: C
a_n=2+(5-1)×2=10.