Question

1- A numb er when divided by 143 leaves 31 as remainder. what will be the remainder when the same number is divided by 13 2 -for some postive integer m, every even postive integer is of the form? 3-for some postive integer n, every odd postive integer is of the form? 4 -(n^2-1 )is divisible by 8 if n is ? 5- if a and b are positive integerrs such that a= x^3y^2 and xy^3, where x,y are prime number , then LCM(a,b)=? 6-what is the least number that is divisible by all natural number from 1 to10 (both inclusive)? 7-the HCF two number is 27 and their LCM is 162 if one of the number is 54 ,what is the other number? 8-the product of two number is 1600 and their HCF is 5 the LCM of the number is? 9-A positive integer n when divided by 9,gives 7 as remainder what will be the remainder when (3n1is divided by ?)

Answer 1

1-0
4-root 5
7-81
8-320
need details for rest of questions