Oscillate the hanging bulb. Calculate the time period for one complete oscillation by Simple Harmonic Motion (SHM) of the handing bulb. Put it in the

formula T=2 * 3.14 * (L/G)^1/2

lets assume A is speaking truth. It means B is a liar then it means A and C are not of same type.

**3. Can u make 120 with 5 zeros?**

Factorial (factorial (0)+factorial (0)+factorial (0)+factorial (0)+factorial (0)) = 120

Since ferra spoke to the biologist and Ann sat next to the chemist and across the doctor, ryth must be the author and Ann the biologist. The doctor didn't speak, but David did, so Bobbie is the doctor and ferra the chemist.

**5. You are given a cake; one of its corner is broken. How will u cut the rest into Two equal parts?**

Slice the cake

**6. How will you recognize the magnet & magnetic material & non-magnetic material?**

Drag one piece of material over another. There is no attractive force in the middle portion of the magnet. OR Get a piece of thread and tie up with the one bar and check for poles. If it iron bar then it moves freely and if it is magnetic bar then it fix in one direction according to poles.

Open 3 screws, 1 from each tyre and fix the tyre.

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