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Q:

From a tank of petrol, which contains 200 litres of petrol, the seller replaces each time with kerosene when he sells 40 litres of petrol(or its mixture). Everytime he sells out only 40 litres of petrol(pure or impure). After replacing the petrol with kerosen 4th time, the total amount of kerosene in the mixture is

A) 81.92L	B) 96L
C) 118.08L	D) None of these

Answer & Explanation Answer: C) 118.08L

Explanation:

The amount of petrol left after 4 operations

= $200 \times {(1 - \frac{40}{200})}^{4}$

= $200 \times {(\frac{4}{5})}^{4}$

= $200 \times (\frac{256}{625})$

= 81.92 litres

Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres

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Filed Under: Alligation or Mixture
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

Q:

A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price, is:

A) 20%	B) 25%
C) 33.33%	D) 18%

Answer & Explanation Answer: B) 25%

Explanation:

When the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of 20 litres of milk.

Since, the profit % = $\frac{P r o f i t}{C o s t P r i c e} x 100$

Therefore, profit percentage = $\frac{5}{20} x 100$ = 25%

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

Q:

What is the diff between RDO and ADO?

Answer

RDO is Hierarchy model where as ADO is Object model. ADO can access data from both flat files as well as the data bases. I.e., It is encapsulation of DAO, RDO , OLE that is why we call it as OLE-DB Technology.

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Subject: Microsoft Interview

Q:

Record set types and Number available in VB?

Answer

3.

1- Dynaset, 0 Table, 2 Snap Shot.

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Subject: Microsoft Interview

Q:

What is the difference between Property Get, Set and Let?

Answer

Set - Value is assigned to ActiveX Object from the form.

Let - Value is retried to ActiveX Object from the form.

Get - Assigns the value of an expression to a variable or property.

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Subject: Microsoft Interview

Q:

How To Open Outlook Explorer in VB Code?

Answer

Once can use the Shell function to call any Aplication in VB 6.0. For Outlook Express one can use, Shell (msimn.exe)

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Subject: Microsoft Interview

Q:

Explain about creating VB applications in excel ?

Answer

User defined functions can be created into the Microsoft spreadsheet. Spreadsheets can be customized according to the user needs by using VB applications. To create visual basic functions useful for spreadsheet you need to click Tools and select Macros where you will need to click on Visual basic editor.

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Subject: Microsoft Interview

Q:

What are the rules which should be followed while naming a variable in VB?

Answer

Some of the rules which should be followed while naming a variable in VB are as follows:

1) Characters should be less than 255.

2) Space between characters should be allowed.

3) A variable should begin with a number.

4) Period may not be permitted.

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Subject: Microsoft Interview

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