Question

for an ARITHMETIC PROGRESSION 4, 9,14 ..........then t11=
a) 49
b)54
c)59
d)44
​

Answer 1

Step-by-step explanation:

I guess this is the only answer

Answer 2

Answer:

b.) 54

Step-by-step explanation:

Given series is 4,9,14,....

Clearly, the given sequence is an AP with first term a=4 and the common difference d=5.

We know, a n

=a+(n−1)d

Now, t 11

=a+10d

∴t 11

=4+10×5=54