WorksheetsCHAPTER 6 DM015 ( SUBTOPIC 6.1)
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Identify the common difference.
97, 86, 75, 64, ...
97, 86, 75, 64, ...
a)
8
b)
11
c)
-11
d)
-8
2.
Find the sum of the 1st 20 terms: 2+5+8+......
a)
1220
b)
610
c)
600
d)
612
3.
Which term of the sequence -,3,7,11,...... is 95 ?
a)
10
b)
15
c)
20
d)
25
4.
Find the sum of 2+4+6+.....+200
a)
108
b)
10100
c)
40703
d)
-8930
5.
Find the sum of 20 terms of the AP 1,4,7,10, .....
a)
S20=570
b)
S20=590
c)
S20=580
d)
S20=550
6.
What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?
a)
1,600
b)
18,235
c)
18,475
d)
19,125
7.
6 + 11 + 16 + 21 + 26 + 31 + 36
a)
147
b)
145
c)
143
d)
141
8.
Find the sum of first 20 even numbers.
a)
400
b)
410
c)
420
d)
430
9.
Find the sum of the odd integers 1 to 99 inclusive.
a)
2300
b)
2500
c)
2700
d)
2900
10.
Evaluate the arithmetic series described:
a1 = 12, an = 64, Find S14
a1 = 12, an = 64, Find S14
a)
1082
b)
532
c)
541
d)
1064
100 %
