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Explanation needed please

Posted: Sat Sep 07, 2013 1:57 pm
by brooke68
Can anyone explain Question 78 of GL VR Pack 1 Test 2 please?
Number series is,
40 39 35 40 30 41 (?)
The answer is 25.
Any help much appreciated, thank you.

Re: Explanation needed please

Posted: Sat Sep 07, 2013 3:48 pm
by ToadMum
Hint - look at alternate numbers as being in two different series...

Re: Explanation needed please

Posted: Sat Sep 07, 2013 5:43 pm
by Rainbow Petals
brooke68 wrote:Can anyone explain Question 78 of GL VR Pack 1 Test 2 please?
Number series is,
40 39 35 40 30 41 (?)
The answer is 25.
Any help much appreciated, thank you.
There are two seperate sequences going on in this question:
40 39 35 40 30 41

*40, 35, 30 --> -5 each time so the next number is 25
*39, 40, 41 --> +1 each time