CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Sum of 'n' Terms When 'a' and 'l' Is Given

If the first ...

Question

If the first term of an AP is -8 and the common difference is 4, then the sum of the first ten terms is

A

104

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

96

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

100

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

92

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 100
$S_{n} = \frac{n}{2} [2 a + (n - 1) d] S_{10} = \frac{10}{2} (2 (- 8) + 9 (4)) S_{10} = 100$

Suggest Corrections

thumbs-up

1

Similar questions

Q. If the first term of an AP is -8 and the common difference is 4, then the sum of the first ten terms is

Q. The sum of first ten terms of a AP is four times the sum of its first five terms. Then ratio of first term and common difference is

Q. An AP has the property that the sum of first ten terms is half the sum of next ten terms. If the second term is

13

, then the common difference is

Q. The sum of the first ten terms of an AP is equal to

155

and the sum of the first two terms of a GP is

9

. How many values for the first term of an AP is possible if the first term of an AP is equal to the common ratio of a GP and the first term of a GP is equal to to the common difference of a AP

Q. The sum of first ten terms of an A.P. is four times the sum of its first five terms, then ratio of the first term and common difference is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Sum of 'n' Terms of an Arithmetic Progression

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Sum of 'n' Terms When 'a' and 'l' Is Given

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon