Numbering Puzzles section you can practice Number puzzles and improve your skills in order to face the Interview, Competitive examination and various entrance test with full confidence.
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You can easily solve all kind of Number puzzles by practicing the following exercises.
Numbering Puzzles also improve your brain.
Puzzle 6:- How Many Squares?
Ans:-26.
Sol:-Count Carefully.
Puzzle 7:- What number should replace the question mark?
Ans:-9.
Sol:-The number at the centre of each triangle equals the sum of the lower two numbers minus the top number.
Puzzle 8:- What number should replace the question mark?
Ans:-3.
Sol:-A+B=76 and A-B=38 then
A=57 And B=19
A/B=57/19=3
Puzzle 9:- What number should replace the question mark?
Ans:-1.
Sol:-Multiply the bottom two numbers then take the square root, i.e.
1×4 = 4 and √4 = 2.
Puzzle 10:- What number should replace the question mark?
Ans:-10.
Sol:-Each diagonal line of numbers, starting with the top left hand corner number, increases by 1 each time.
Example
4
2+3=5
2+1+3=6
2+1+2+2=7
4+1+3=8
5+4=9
10