CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 2, 5, 10, 17, 26, ? [Practice Variant 5]
A. 37
B. 39
C. 38
D. 36
Correct Answer: A
The terms are n² + 1 for n=1,2,3,...; the next is 6²+1=37.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 1, 4, 9, 16, 25, ? [Practice Variant 5]
A. 36
B. 35
C. 38
D. 37
Correct Answer: A
The terms are n² + 0 for n=1,2,3,...; the next is 6²+0=36.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 7, 10, 15, 22, 31, ? [Practice Variant 4]
A. 44
B. 42
C. 43
D. 41
Correct Answer: B
The terms are n² + 6 for n=1,2,3,...; the next is 6²+6=42.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 6, 9, 14, 21, 30, ? [Practice Variant 4]
A. 40
B. 43
C. 41
D. 42
Correct Answer: C
The terms are n² + 5 for n=1,2,3,...; the next is 6²+5=41.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 5, 8, 13, 20, 29, ? [Practice Variant 4]
A. 42
B. 41
C. 39
D. 40
Correct Answer: D
The terms are n² + 4 for n=1,2,3,...; the next is 6²+4=40.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 4, 7, 12, 19, 28, ? [Practice Variant 4]
A. 39
B. 40
C. 38
D. 41
Correct Answer: A
The terms are n² + 3 for n=1,2,3,...; the next is 6²+3=39.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 3, 6, 11, 18, 27, ? [Practice Variant 4]
A. 39
B. 40
C. 37
D. 38
Correct Answer: D
The terms are n² + 2 for n=1,2,3,...; the next is 6²+2=38.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 2, 5, 10, 17, 26, ? [Practice Variant 4]
A. 39
B. 37
C. 36
D. 38
Correct Answer: B
The terms are n² + 1 for n=1,2,3,...; the next is 6²+1=37.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 1, 4, 9, 16, 25, ? [Practice Variant 4]
A. 37
B. 38
C. 36
D. 35
Correct Answer: C
The terms are n² + 0 for n=1,2,3,...; the next is 6²+0=36.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 7, 10, 15, 22, 31, ? [Practice Variant 3]
A. 41
B. 43
C. 42
D. 44
Correct Answer: C
The terms are n² + 6 for n=1,2,3,...; the next is 6²+6=42.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 6, 9, 14, 21, 30, ? [Practice Variant 3]
A. 40
B. 42
C. 43
D. 41
Correct Answer: D
The terms are n² + 5 for n=1,2,3,...; the next is 6²+5=41.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 5, 8, 13, 20, 29, ? [Practice Variant 3]
A. 41
B. 39
C. 40
D. 42
Correct Answer: C
The terms are n² + 4 for n=1,2,3,...; the next is 6²+4=40.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 4, 7, 12, 19, 28, ? [Practice Variant 3]
A. 38
B. 39
C. 41
D. 40
Correct Answer: B
The terms are n² + 3 for n=1,2,3,...; the next is 6²+3=39.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 3, 6, 11, 18, 27, ? [Practice Variant 3]
A. 38
B. 39
C. 37
D. 40
Correct Answer: A
The terms are n² + 2 for n=1,2,3,...; the next is 6²+2=38.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 2, 5, 10, 17, 26, ? [Practice Variant 3]
A. 38
B. 37
C. 39
D. 36
Correct Answer: B
The terms are n² + 1 for n=1,2,3,...; the next is 6²+1=37.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 1, 4, 9, 16, 25, ? [Practice Variant 3]
A. 38
B. 36
C. 37
D. 35
Correct Answer: B
The terms are n² + 0 for n=1,2,3,...; the next is 6²+0=36.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 7, 10, 15, 22, 31, ? [Practice Variant 2]
A. 44
B. 41
C. 43
D. 42
Correct Answer: D
The terms are n² + 6 for n=1,2,3,...; the next is 6²+6=42.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 6, 9, 14, 21, 30, ? [Practice Variant 2]
A. 41
B. 40
C. 42
D. 43
Correct Answer: A
The terms are n² + 5 for n=1,2,3,...; the next is 6²+5=41.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 5, 8, 13, 20, 29, ? [Practice Variant 2]
A. 39
B. 41
C. 42
D. 40
Correct Answer: D
The terms are n² + 4 for n=1,2,3,...; the next is 6²+4=40.
CSS - PMS - CCE - PCS - Mathematics
Number Series
Find the next number: 4, 7, 12, 19, 28, ? [Practice Variant 2]
A. 41
B. 39
C. 40
D. 38
Correct Answer: B
The terms are n² + 3 for n=1,2,3,...; the next is 6²+3=39.