Solve this...7 C in a R - with Answer

Solve this...

Example: 24 H in a D.
Answer: 24 hours in a day

1. 7 C in a R
2. 5 L from A are V
3. 9 P in SS
4. 24 S in an IF
5. 3 W in a T
6. 13 L in a BD
7. 19 C in a CB
8. 12 N in a C
9. 29 D in F in L Y
10. 90 D in a R A

Answering any 5, means your IQ is pretty high.
Can somebody answer this!

Answer:

1. 7 Colours in a Rainbow
2. 5 Letters from Alphabets are Vowels
3. 9 Planets in Solar System
4. 24 Spokes in an Indian Flag
5. 3 Wheels in a Tricycle 
6. 13 Loaves in a Baker's Dozen
7. 19 Coins in a Carrom Board
8. 12 Numbers in a Clock
9. 29 Days in February in Leap Year
10. 90 Degrees in a Right Angle