What's the benefit of having multiple ads in an ad group?

Having multiple ads in an ad group is always a benefit because the Ad-words make the ads displayed automatically in a rotation manner and will show the best ones more often. In Google you can set timing for the ad rotation for the specific ads and also maintain a queue stack for the order they can be displayed.

Secured loans are protected by collateral security. examples: title loans where the borrower uses the car title as collateral security interest rates are lower and repayments are longer therefore risk is low as a collateral security is given as guarantee to the bank in case of failure to pay the loanunsecured loans are not protected by collateral security but it is given on the creditworthiness of the borrower, trusting that she/he will pay on time. examples; payday loans is a short term loan where the borrower lends money from the bank and pays is back when the borrower receives his/her wages.interest rates are high and repayments are shorter. but the risk is high as no collateral security is given as a guarantee to the bank for payment of the loan