Solve the following riddles,you may yourself construct such riddles.
Who am I?
For each day of the week
Make an upcount from me
If you make no mistake
You will get twenty three!.

Solve the following riddles,you may yourself construct such riddles. Who am I? I am a special number Take away from me a six! A whole cricket team You will still be able to fix!.

Solve the following riddles,you may yourself construct such riddles. Who am I? Tell me who I am I shall give a pertty clue! You will get me back If you take me out of twenty two!?

Solve the following riddles,you may yourself construct such riddles. Who am I? Go around a square Counting every corner Thrice and no more! Add the count to me To get exactly thirty four!.

Solve the following riddle: I am a number, Tell my identity! Take me seven times over And add a fifty! To reach a triple century You still need forty!

Give (i) an oblique sketch and (ii) an isometric sketch for each of the following:An isometric sheet is attached at the end of the book. You could try to make on it some cubes or cuboids of dimensions specified by your friend. A cube with an edge 4 cm long.

Give (i) an oblique sketch and (ii) an isometric sketch for each of the following:An isometric sheet is attached at the end of the book. You could try to make on it some cubes or cuboids of dimensions specified by your friend. A cuboid of dimensions 5 cm, 3 cm and 2 cm. (Is your sketch unique?)