NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 32

MEDIUM

10th CBSE

IMPORTANT

Earn 100

How many terms of the AP $- 15, - 13, - 11, . . .$ are needed to make the sum $- 55$ ?

Important Questions on Arithmetic Progressions

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 33

The sum of the first

n

terms of an AP whose first term is

8

and the common difference is

20

is equal to the sum of first

2 n

terms of another AP whose first term is

- 30

and the common difference is

8

. Find

n

.

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 34

Kanika was given her pocket money on

Jan 1 st, 2008

. She puts

₹ 1

on day

1, ₹ 2

on day,

2, ₹ 3

on and continued doing so till the end of the month. From this money into her piggy bank, she also spent

₹ 204

of her pocket money, and found that at the end of the month she still had

₹ 100

with her. How much was her pocket money for the month?

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 35

Yasmeen saves

Rs . 32

during the first month,

Rs . 36

in the second month and

Rs . 40

in the third month. If she continues to save in this manner, in how many months will she save

Rs . 2000 ?

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 1

The sum of the first five terms of an AP and the first seven terms of the same AP is

167

. If the sum of the first ten terms of this AP is

235

, find the sum of first twenty terms.

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 2

Find the sum of those integers between $1$ and $500$ which are multiples of $2$ as well as of $5$ .

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 2

Find the sum of those integers from $1$ and $500$ which are multiples of $2$ as well as of $5$ .

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 2

Find the sum of those integers from $1$ to $500$ which are multiples of $2$ or $5$ .

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS MATHEMATICS>Chapter 5 - Arithmetic Progressions>Exercise>Q 3

The eighth term of an AP is half its second term and the eleventh term exceeds one-third of its fourth term by

1 .

Find the

15^{th}

term.