Question

question 1> from a well-shuffled deck of 52 cards one card is drawn at random. find the probability of getting :
a> a red card
b> a jack of black color
c> a face card

question 2> a die is thrown at random. find the probability of getting:
a> an even prime number
b> a composite number
c> a number not less than 4

question 3> Naresh deposited in a bank RS 7500 for 6 months at the rate of 8% per annum for interest compounded quarterly. find the amount he received after 6 months ?

question 4> In what time will RS 5400 amount to RS 6773.76 at 12% per annum compounded annually ?

Answer 1

Q1::)a)26/52 or simply 2/4 since there are 13 red diamonds and heart

b)2/52 or 1/46 since there are 2 jacks of black colour in a deck

c)12/52 or 3/13 since there are 4 variants of king queen and jack respectively

Q2::)a)1/6 since total outcomes =6 and 2 is the only even prime no.

b)2/6 or 1/3 since there are 2 composite no.s only i.e 4 and 6

c)3/6 or 1/2 since 4,5 and 6 is more than equal to 4

Q3)unsure

Q4) unsure