#include<bits/stdc++.h>
#define ll long long
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define sz(x) (int)(x).size()
#define PB push_back
#define PI 3.1415926535897932384626433832795
#define what(x) cout<<#x<<" is "<<x<<endl;
using namespace std;

#ifdef LOCAL//ONLINE_JUDGE
#include "D:\c_c++\template.h"
#else
#define debug(...) 42
#endif

ll powmod(ll a,ll b,ll mod) {
    ll res=1;a%=mod;
    for(;b;b>>=1){
        if(b&1)res=res*a%mod;
			a=a*a%mod;
    }
    return res;
}

void solve(){
	ll n,k;
	cin>>n>>k;
	if(k>=n){
		cout<<k/n+((k%n)?1:0)<<'\n';
	}else{
		ll f = (n/k)*k;
		if(f<n)f+=k;
		cout<<f/n+((f%n)?1:0)<<'\n';
		
	}
}


int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
//    #ifdef LOCAL
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
//    #endif
    int tc=1;
     cin>>tc;
    while(tc--)solve();
}
