Question

Q1. The 3rd term of GP is 360 and the 6th term is 1215. find the : a) common ratio b) first term c) sum of the first four term
Q2. John salary per annum is increase by a constant amount every year. He earned $11,166 in his fourth year and $ 14298 in his 7th year. calculate (i) his initial salary (ii) his salary in the 12th year.
Q3. Two cards are drawn one after the other from an ordinary deck of playing card,the first not been replace before the second card is drawn. what is the probability that:
(a) the first card is the heart and the second card is club
(b) both cards are club
(c) both cards are black
d. one card is an Ace and the other card is queen

Answer 1

Step-by-step explanation:

a = -210

d=285

sum of first 4terms is 870