Maths Puzzles

 Yet another simple puzzle Peter has three times as many sisters as brothers. His sister Louise has twice as many sisters as brothers. How many children are there in the family?

Here is non-tricky question - quite simple one ​ An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon? i) 144º iii) 150º iii) 168º iv) 180º