Engineering Economics
If ‘a’ is the base amount expenditure, ‘b’ is the increase in the operation cost each year over a period of’ 'n’ years, the total cost of maintenance is:

a - (n - 1) b
a × (n - 1) b
a + (n + 1) b
a + (n - 1) b

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Engineering Economics
Which is true about corporation?

Its life is dependent on the lives of the incorporators.
The minimum number of incorporators to start a corporation is three.
It is worse type of business organization.
The stock holders of the corporation are only liable to the extent of their investments.

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Engineering Economics
In a cash flow series:

Either an increase or decrease in the amount of a cash flow is called the gradient
Uniform gradient signifies that an income or disbursement changes by the same amount in each interest period
All of these
The gradient in the cash flow may be positive or negative

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Engineering Economics
Which is true about partnership?

It has a perpetual life.
It can be handed down from one generation of partners to another.
Its capitalization must be equal for each partner.
It will be dissolved if one of the partners ceases to be connected with the partnership.

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