Explanation

The correct option is: He gave me all the maps freely.

This sentence is grammatically correct and conveys the intended meaning that he gave the maps without charging any money.

Explanation

If we add a constant (such as 3) to each observation of a data set, the mean will be increased by 3

This is because adding the same constant to each data point shifts the entire data set by that constant value, including the mean.

Explanation

Each pair of shoes consists of 2 shoes, so 100 pairs of shoes equals:

$$100\times 2=200\text{ shoes}$$

Each case holds 20 shoes, so to find how many cases are needed:

200/20 ​=10 cases

Explanation

Pictograms use symbols or images to represent data in a way that shows the frequency or count of items.

Each symbol or image represents a specific quantity, making it easy to visualize and compare counts.

Explanation

Note: The answer given in the FPSC answer key is (c) but the actual answer is (b).

A rudder is a steering device used in boats and ships.

Birds do not have rudders.

They use their wings and tail feathers for steering and balance.

Explanation

The correct option is: A tea cup is hanging on the hook in the kitchen.

This sentence is grammatically correct and makes sense.

It conveys the idea that a cup used for drinking tea is hanging on a hook.

The other options are either grammatically incorrect or don't make sense in the context of the sentence.

Explanation

USB stands for Universal Serial Bus

It is a standard interface for connecting computer peripherals, such as keyboards, mice, printers, and external hard drives.

Explanation

The correct option is: We look forward to going to Lahore in the evening.

Gerund: The verb "look forward to" requires a gerund (verb + -ing) as its object. So, "going" is the correct form.

Preposition: The preposition "to" is necessary to indicate the destination.

Article: The definite article "the" is used before "evening" to specify a particular evening.

Explanation

The correct option is: This is the only one of his poems that is worth reading.

In this sentence, the verb "is" agrees with the singular noun "one."

The phrase "of his poems" modifies "one," but it doesn't change the singular nature of the subject.

Therefore, the singular verb form "is" is correct.

Explanation

The correct option is: The doctor told him to give up smoking.

This sentence is grammatically correct and conveys the intended meaning.

It uses the infinitive form "to give up" to express the action that the doctor is advising.