View X/3+1=7/15 PNG. The difference between 1 & 3 is 2. So the next number 7 is got by multiplying the diff with 2 & adding it to previous number, which is 3+2*2=7.
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1,3,7,15,31,63____ which number will come next? 15 is carried to the other side and its sign is changed to subtraction So the next number 7 is got by multiplying the diff with 2 & adding it to previous number, which is 3+2*2=7.
1,3,7,15,31,63____ which number will come next?
So the next number 7 is got by multiplying the diff with 2 & adding it to previous number, which is 3+2*2=7. Similarly it goes on like 7+4*2=15, 15+8. 15 is carried to the other side and its sign is changed to subtraction So the next number 7 is got by multiplying the diff with 2 & adding it to previous number, which is 3+2*2=7.
