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CBSE Notes 2011-2012 » X-Mathematics-Term2

# Arithmetic Progressions

## The sum of the first four terms of an AP is 28 and sum of the first eight terms of the same AP is 88...

Multiple choice question

The sum of the first four terms of an AP is 28 and sum of
the first eight terms of the same AP is 88. Sum of first 16
terms of the AP is

## A number 20 is divided into four parts that are in AP such that the product of the first and fourth ...

Multiple choice question

A number 20 is divided into four parts that are in AP
such that the product of the first and fourth is to the
product of the second and the third is 2 : 3. The largest
part is

## If a clock strikes once at one O'clock, twice at two O'clock, thrice at 3 O'clock and so on and agai...

Multiple choice question

If a clock strikes once at one O'clock, twice at two
O'clock, thrice at 3 O'clock and so on and again once at
one O'clock and so on, then how many times will the bell
be struck in the course of 2 days ?

## How many terms of an AP must be taken for their sum to be equal to 120 if its third term is 9 and th...

Multiple choice question

How many terms of an AP must be taken for their sum
to be equal to 120 if its third term is 9 and the difference
between the seventh and second term is 20 ?

## Four numbers are inserted between the numbers 4 and 39 such that an AP results. Find the biggest of ...

Multiple choice question

Four numbers are inserted between the numbers 4 and
39 such that an AP results. Find the biggest of these four
numbers

## A and B set out to meet each other from two places 165 km apart. A travels 15 km the first day, 14 k...

Multiple choice question

A and B set out to meet each other from two places
165 km apart. A travels 15 km the first day, 14 km the
second day, 13 km the third day and so on. B travels
10 km the first day, 12 km the second day, 14 km the
third day and so on. They will meet after