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Find the 8, 19, 21, 25, 20, ?
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Answer / n. vijaya lakshmi
Answer - 17
Solution -
8 + 11 = 19
19 + 2 = 21
21 + 4 = 25
25 + (-5) = 20
20 +/- ? = ?
Now, the real question is 11, 2, 4, -5, ?
11 - 7 = 4
2 - 7 = -5
That's how we got, 11,2,4 and -5.
Now, 4 - 7 = (-3)
subtracting -3 from 20, we get 17.
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| Is This Answer Correct ? | 85 Yes | 14 No |
Answer / $hawn
Ans = 17.
8 19 21 25 20 x1
|_______| |_____| |_____| |_____| |______|
| | | | |
11 2 4 5 x2
|_______| |_____| |_____| |______|
| | | |
-9 2 -9 x3
Here x3 should be 2 bcoz the sequence is -9, 2, -9, 2,...
thus x2 = -5 + 2 = -3
and hence x1 = 20 + (-3) = 17
thus the answer 17.
| Is This Answer Correct ? | 8 Yes | 6 No |
Answer / shakeel
Answer is 14. My calculation is
9 *(1)=9
9 *(2)=18
18+(3)=21
21+(4)=25
25-(5)=20
20-(6)=14
Operating an operation twice and operating progressively from 1 to 6 each and the result of the previous operation.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / shakeel
Answer is 14. My calculation is
9 *(1)=9
9 *(2)=18
18+(3)=21
21+(4)=25
25-(5)=20
20-(6)=14
Operating an operation twice and operating progressively from 1 to 6 each and the result of the previous operation.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / mohan g
answer is 18
25 is the last element in increment order.
so the next is 1 reduce from 21(i.e pre element of 25)
similar to that next is 18 after is 7
| Is This Answer Correct ? | 1 Yes | 4 No |
Answer / manjyo
8,19,21,25,20,?
ans:10
first element is 8
second one 19
third one increment 2 from the previous element then it is 21
then
fourth element increment by 4 means 2+2=4
19+2=21 third element
21+4=25
fifth element is decremented 5 from the fourth element
then 20
genarally in the same way sixth element is decremented 5+5
then 20-10=10
| Is This Answer Correct ? | 5 Yes | 14 No |
Answer / vijaylakshmi
8
bcoz
1=4+5
54 sdcngntj=67
aur tu gadha hai
HENCE PROVED
| Is This Answer Correct ? | 3 Yes | 40 No |
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