festus

the sum of the 4th and 6th terms of an A.P is 42. the sum of the 3rd and 9th terms of the progression is 52. find the first term, the common difference and the sum of the first ten terms of the progression.

given that main memory is composed of only three page frames for public use and that a program requests pages in the following order: a,c,b,d,a.c,e,a,c,b,d,e

the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square numbe

thanks but is this answer correct

I dont known