SaiBook.us Algebra

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Consecutive terms of A.P

Grade: 9-a Lesson: S4-L5

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: at Home

Problem Id	Problem	Options
1	For what value ofk will the consecutive terms 2k + 2, 3k + 4 and 10k - 3 form an A.P.?	A) 82 B) 72 C) 81 D) \$3/2\$
2	How many terms of the A.P. 156,137,118,… be taken so that their sum is zero?	A) 17.42 B) 12.803 C) 15.92 D) 11.37
3	If the sum of first 7 terms of an A.P. is 343 and that of its first 11 terms is 1331, find the sum of first n terms of the A.P	A) \$17n^2 - 63n \$ B) \$9n^2 - 72n \$ C) \$18n^2 - 77n \$ D) \$28n^2 - 118n \$
4	Find the middle term of the AP 37,45,53,…, 213.	A) \$a_11 = 180 \$ B) \$a_12 = 125 \$ C) \$a_15 = 170 \$ D) \$a_16 = 135 \$
5	Thetenth term of an A.P. is -48. The sum of the thirteenth and seventeenth terms of the A.P. is -166. Find its common difference.	A) -7 B) -8 C) -9 D) -3

Problem Id

Problem

Options

For what value ofk will the consecutive terms 2k + 2, 3k + 4 and 10k - 3 form an A.P.?

A) 82

B) 72

C) 81

D) \$3/2\$

How many terms of the A.P. 156,137,118,… be taken so that their sum is zero?

A) 17.42

B) 12.803

C) 15.92

D) 11.37

If the sum of first 7 terms of an A.P. is 343 and that of its first 11 terms is 1331, find the sum of first n terms of the A.P

A) \$17n^2 - 63n \$

B) \$9n^2 - 72n \$

C) \$18n^2 - 77n \$

D) \$28n^2 - 118n \$

Find the middle term of the AP 37,45,53,…, 213.

A) \$a_11 = 180 \$

B) \$a_12 = 125 \$

C) \$a_15 = 170 \$

D) \$a_16 = 135 \$

Thetenth term of an A.P. is -48. The sum of the thirteenth and seventeenth terms of the A.P. is -166. Find its common difference.

A) -7

B) -8

C) -9

D) -3