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CBSE Notes 2011-2012 » X-Mathematics-Term2

# Arithmetic Progressions

## The sum of all terms of the arithmetic progression having ten terms except for the first term is 99 ...

Multiple choice question

The sum of all terms of the arithmetic progression having
ten terms except for the first term is 99 and except for
the sixth term 89. Find the third term of the progression
if the sum of the first term and the fifth term is equal to
10.

## The sum of the first ten terms of an AP is four times thesum of the first five terms, then the rati...

Multiple choice question

The sum of the first ten terms of an AP is four times the
sum of the first five terms, then the ratio of the first term
to the common difference is

## The value of the expression 1 - 6 + 2 - 7 + 3 - 8 + ... to 100 terms

Multiple choice question

The value of the expression
1 - 6 + 2 - 7 + 3 - 8 + ... to 100 terms

## Two persons Anil and Happy joined D. W. Associates. Anil and Happy started with an initial salary of...

Multiple choice question

Two persons Anil and Happy joined D. W. Associates. Anil
and Happy started with an initial salary of Rs. 50000
and Rs. 64000 respectively with annual increment of Rs.
2500 and Rs. 2000 each respectively. In which year will
Anil start earning more salary than Happy ?

## A number 15 is divided into three parts which are in AP and sum of their squares is 83. The smallest...

Multiple choice question

A number 15 is divided into three parts which are in AP
and sum of their squares is 83. The smallest part is

## A man receives Rs. 60 for the first week and Rs. 3 more each week than the preceeding week. How much...

Multiple choice question

A man receives Rs. 60 for the first week and Rs. 3 more
each week than the preceeding week. How much does he
earns by the 20th week ? 