CAT Questions

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A galvanic cell is also known as voltaic cell provides electrical energy from the chemical energy.

You should have recorded in your cash books all amounts you have actually received and payments you have actually made. However the cash books may be incomplete as your bank may have put extra transactions through your account such as:

► bank fees or interest charges
► direct debits (payments) and direct credits (receipts).

Doing a regular bank reconciliation will allow you to:

► take into account any extra transactions your bank puts through your account and
► check and record any errors or omissions.

By regularly doing a bank reconciliation (say monthly) you can be more confident that your records contain all the information you need to prepare your income tax return and activity statements.

A deposit in transit is cash (currency, coins, checks, electronic transfers) that a company has received and is rightfully reported as Cash on its balance sheet, but does not appear on the bank statement until a later date.

Area near active volcano or lake beds are best areas that lends itself to the formation of fossils.

A command economy types of government decide which goods would be produced without any interference of the public.

Command economy ran in Germany during the rule of Adolf Hitler. 

A command economy tends to exist under a socialist government that provides a lot of regulation.

let x be the correct answer and y be the wrong answer
so the total number of questions is (x + y) = 150.....(1)
=> 4x - 2y = 420.....(2)
By solving (1) & (2), we get
=> 6x = 720
hence x = 120
Therefore, number of correct answers are 120.

Let the two different rates of interests be r1 and r2 respectively.

From the given data,

$$\begin{gathered} 2600 x 4 x r1 - r2100 = 402.80 \\ r1 - r2 = 402.80104 = 3.87 \end{gathered}$$

Hence, the difference in the interest rates = 3.87