The ages of two persons differ by 20 years. If 5 years ago, the elder one be 5 times as old as the younger one, their present ages (in years) are respectively:
1) 30, 10
2) 25, 5
3) 29, 9
4) 50, 30
4 workers produce 1400 toys in 5 days. After one days work was over, 14 more workers joined them. In how many days can they complete the remaining work?
1) 2
2) 3
3) 4
4) 3 1/2