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4 +ve numbers are arranged in the increasing order.the first 3 form an AP.the last 3 form a GP.the first and the last term differ by 30.find the sum of all the terms.this one is good!!!

4 +ve numbers are arranged in the increasing order.the first 3 form an AP.the last 3 form a GP.the first and the last term differ by 30.find the sum of all the terms.this one is good!!!

Grade:10

4 Answers

Swapnil Saxena
102 Points
9 years ago

Sathyaram , u must be missing something out like the the no should be integers, or something else

This is becoz infinite such posiibilities r there with such a case.

for example one such series is

0,(7.5),(15)(30) is one of the possible example. infinite other solutions can exist. First mentiion the required condition.

Sathya
35 Points
9 years ago

Sry,all of the terms are to be integers.there is a unique solution in integers. ;)

diable
12 Points
7 years ago
dude it was good question i think im right terms are- 18,27,26,48
diable
12 Points
7 years ago
equation would be a=d^2/(30-3d) which is satisfied by only 9 if a is a natural number

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