Multiple Choice
The sum n term of an A P with first term a and common difference d is
A) Na
B) n/2 [2a +(n-1) d]
C) A + (n-1) d
D) ? 1 ? 1
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q5: If a b c are in G
Q6: The various numbers occurring in a sequence
Q7: Given the term in the sequence 1,3,7,15,31
Q8: d of the A.P. 1,-1,-3,-5,…………….. is<br>A)1<br>B)-1<br>C)-2<br>D)2
Q9: 9, 6, 4……………….. is a ……….<br>A)A.P<br>B)G.P<br>C)A.P or
Q11: Find the 7th term of series 1,4,7………………<br>A)22<br>B)19<br>C)16<br>D)25
Q12: A sequence containing finite number of terms
Q13: d of the A.P. 4, -8, -20……..<br>A)-4<br>B)12<br>C)-12<br>D)-8
Q14: Find the 10th term of the series
Q15: If 2, x , 8 are the