Question

1. Determine k so that ( ), ( ) ( ) 3 24 6 2 kk k   and are three consecutive

terms of an AP. [CBSE 2009C]

2. Find the value of x for which the numbers ( ), ( ) 5 24 1 x x   and ( ) x  2 are

in AP.

3. If ( ), ( ) ( ) 3 13 5 5 1 yy y   and are three consecutive terms of an AP then

fi nd the value of y. [CBSE 2014]

4. Find the value of x for which ( ), , ( ) x xx   22 2 3 are three consecutive

terms of an AP. [CBSE 2009C]

5. Show that ( ) ,( ) ( ) ab a b ab and 22 2 2   are in AP.

6. Find three numbers in AP whose sum is 15 and product is 80.

HINT Let the numbers be ( ), , ( ). a daa d  

7. The sum of three numbers in AP is 3 and their product is –35. Find the

numbers.

8. Divide 24 in three parts such that they are in AP and their product is 440.

9. The sum of three consecutive terms of an AP is 21 and the sum of the

squares of these terms is 165. Find these terms.​

Answer 1

Answer:

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Step-by-step explanation:

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