Math-statistics & probability

Question 1

simple interest

Answer 1

I = PRT
where
I - interest
P - principal value
T - time in years

Question 2

Compound interest

Answer 2

I = P(1 + r/m)^(m*t)

Where
I - interest
P - principal value
r - rate
m - compounding period (annually, semi-anually, monthly, yearly, everyday, etc.)
t - time in years

Question 3

discount formula

Answer 3

(amount discounted)/original price

Question 4

No. of cards in the standard deck of cards

Answer 4

52

Question 5

Components of the standard deck of cards

Answer 5

TOTAL: 52
4 SUITES: Heart, Diamonds, Spades, Flower
3 FACE CARDS: Jack, King, Queen

PER SUITE: 3 face cards, A, 2-10 (total of 13 per suite)