Re: Math puzzles questions?

Hello, amrithaa!

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2. What number should replace the question mark?

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3. What number should replace the question mark?

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4. What number should replace the question mark?

Re: Math puzzles questions?

Quote:

Originally Posted by

**amrithaa**

Each row is 8 times the immediate row above. 9X8=72. 72X8=576. bottom row 576X8=4608. So there will be 0 in place of question mark in the lowest row.

Re: Math puzzles questions?

Quote:

Originally Posted by

**amrithaa**

Each two digit number is a sum of digits of one three digit number. 2+6+8=16; 3+5+9=17; 2+6+3=11; and therefore the number in place of question mark is 5+1+6=**12**.

Re: Math puzzles questions?

Hello again, amrithaa!

Quote:

5. What number should replace the question mark?

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Re: Math puzzles questions?

Lol 4 is not as bad: the number in the middle is the average of the 2 others on the sides.

Re: Math puzzles questions?

3. 5=85/17, 4=76/19 so ?=91/13