5 types of ratio classified 
Liquidity ratio
Asset Trunover ratio
Profitablity ratio
Finacial Leverage ratio
Dividend Policy ratio

ratios are 5 types they are

there are 5 type of ratio and to analaysis company position 
and where they are stand in finance term

so, many types ratio is there but we can use some ratios  
only there are:.
current ratio
equity ratio

Liquidity Ratios
Solvency Ratios
Turnover Ratios
Profitability Ratios

Ratios are 5 types those are;
1. Current Ratios
2. Turnover Ratios
3. Profitability Ratios
4. Financial Leverage
5. Operating Leverage

Ratios are 5 types.  They are
Liqidity ratios
Liveraged ratios
Activity ratios
Profitability Ratios and 
Other ratios

trial balance is nothing but the debit balance must be eqal 
to credit balance.

trial balance is a worksheet listing the balance of each 
ledger in two coloum, namaly debit and credit. the trial 
balace is prepared in each finicial period as a summery of 
the closing of the period. ledger the total of debit side 
should always he equal to the total of the credit side.

A Trial Balance is a statement of ledger account balances 
within a ledger,at particular instance.
It's main purpose is to check mathematical\arthimetic 
accuracy of accounting.

K.V.K.K

A trial balance is a list of all the accounts for a period,
to test that the Debits agree with the Credits

trial balance is consist the ledger balances of all
expenses,revenues,profits and owners accounts i.e
capital,drawings. the main purpose of trail balance is check
the arthamatic accuracy of transactions. this shows the
actual balances of particular accounts.

closing balance of all ledger a/c

Trial balance is a statement which is prepared to check the
arthematical  accuracy of the accounts. 
It will be prepared with the help of balances of different
accounts in ledger. or It can be prepared based on following
principle.

Debit: All expenses, losses and assets
Credit: All Incomes, gains and liabilities

A trial balance is a schedule or list of the names and
balances (both debit and credit)of all the accounts
appearing in the ledger including cash and bank balances
from the cash book.