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11th CBSE
IMPORTANT
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The sum of all even natural numbers between 300 and 400 is

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Important Questions on Sequences and Series (AP, GP, HP)

MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 33
The sum of all odd numbers between 100 and 200 is
EASY
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 34
The sum of all positive integral multiples of 3 less than 100 is
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 35
How many terms of the AP 6,12,18,24,… must be taken to make the sum 816?
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 36
The sum of all 3-digit numbers divisible by 5 is
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 37
The sum of n terms of an AP is 3n2+2n. Its common difference is
HARD
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 38
The sum of n terms of an AP is 3n2+5n. Which of its terms is 164?
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 39
If the sum of first m terms of an AP is the same as the sum of its first n terms then the sum of its first (m+n) terms is
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 35 - Sequences and Series (AP, GP, HP)>EXERCISE>Q 40
If the mth term of an AP is 1n and the nth term is 1m then the sum of its mn terms is