Hello aspirant,

An arithmetic test is part of the Navodaya Vidyalaya Class 6 entrance exam, or JNVST.  Students' comprehension of basic mathematical ideas and their capacity to use them to solve problems are evaluated in the arithmetic section.

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To calculate the arithmetic mean, you can add up all the values and divide them by the number of items.for the calculation you need the value of sales everyday add them and then divide it by 7 if sunday is included in it or the working days of the week in which sales are done.

Generally average or arithmetic mean Is based on all the observations which is easy and simple to comprehend and calculation

Correct Answer: ready

Solution : The correct choice is the third option.

In the context of the passage, the word ready fits best to describe the state Swaminathan needs to achieve for school, as it means to be prepared or organised for a particular purpose or action.

The meanings of other options are as follows:

• Alert means watchful and ready to act; attentive and aware.
• Fit means to be in good physical or mental condition.
• Fixed means set in place and not subject to change.

Correct Answer: puzzles

Solution : The correct choice is the second option.

In the context of the passage, the word "puzzles" fits best to describe the five tasks in profit and loss under arithmetic. The term puzzle implies a sense of complexity or difficulty, which aligns with the nature of the tasks in the arithmetic section.

The meanings of other options are as follows:

• Disputes mean arguments or disagreements between people.
• Debates mean discussions or arguments involving opposing viewpoints.
• Conditions mean circumstances or requirements that must be fulfilled for a particular action or event.

Correct Answer: recollect

Solution : The correct choice is the second option.

In the context of the passage, the word recollect fits best. Swaminathan is sitting on his stool and shutting his eyes to recall or remember (recollect) what work he had for the day. The word implies the act of bringing information or memories back into one's mind.

The meanings of other options are as follows:

• Guess means to form an opinion or give an answer without sufficient evidence.
• Imagine means to form a mental image or concept; to visualise something not present.
• Estimate means to make an approximate calculation or judgement based on available information.

Correct Answer: Arithmetic functions

Solution : The correct option is Arithmetic functions.

The analytical engine intends to function for any mathematical action expressed in a finite number of steps. It includes both simple operations like addition, subtraction, multiplication, and division as well as more complex ones like algebra, calculus, and trigonometry.

Correct Answer: Arithmetic Logic Unit

Solution : The correct answer is the Arithmetic Logic Unit.

The ALU (Arithmetic Logic Unit) is a key component of a computer's central processing unit (CPU), performing arithmetic (addition, subtraction, multiplication, and division) and logical (comparisons and bitwise operations) operations on data.

Correct Answer: Arithmetic and Logical unit, Register and Control unit

Solution : The correct answer is Arithmetic and Logical Unit, Register and Control unit.

The CPU, or Central Processing Unit, serves as the computer's brain. It comprises three essential components: The ALU (Arithmetic and Logic Unit), Register, and Control Unit. The Control Unit is tasked with receiving input from peripheral devices and the processing system in handling the data. The ALU is responsible for executing all logical operations, thereby processing the data. Meanwhile, the Register stores data in the memory for future retrieval.