क्या यह सही जवाब है?

At the beginning of a sentence, क्या is a common way to mark a yes/no question.

So:

• यह सही जवाब है। = This is the correct answer.
• क्या यह सही जवाब है? = Is this the correct answer?

In this position, क्या does not mean what. It is functioning like a question marker.

Yes. क्या can mean what, but its meaning depends on where and how it is used.

For example:

• यह क्या है? = What is this?
• क्या यह सही जवाब है? = Is this the correct answer?

So in your sentence, because क्या is placed at the beginning and the rest of the sentence is a statement structure, it signals a yes/no question, not what.

Hindi often keeps the same basic order for a statement and then adds क्या at the beginning to turn it into a yes/no question.

Statement:

• यह सही जवाब है।
  Literally: This correct answer is.

Question:

• क्या यह सही जवाब है?
  Literally: Q this correct answer is?

English changes word order:

• This is the correct answer.
• Is this the correct answer?

Hindi usually does not need that kind of inversion.

यह means this.

In everyday speech, many speakers pronounce it more like ये when speaking naturally, but in careful written Hindi, यह is standard for singular this.

So:

• यह = this
• वह = that

In conversation, you may often hear:

• ये for this / these
• वो for that / those

But the written sentence क्या यह सही जवाब है? is completely normal and correct.

सही means correct, right, or proper.

Here it describes जवाब:

• सही जवाब = correct answer / right answer

So it works like an adjective.

You can also use सही in many other contexts:

• सही है = That’s correct
• सही बात = a correct/right point
• सही समय = the right time

जवाब means answer.

It is generally treated as a masculine noun in Hindi. That is why the sentence uses है, and if you made it plural, you would say:

• ये सही जवाब हैं। = These are the correct answers.

The adjective सही does not change form here, because सही is one of those adjectives that often stays the same regardless of gender and number.

है is the present-tense form of to be for singular subjects in this kind of sentence.

So:

• यह सही जवाब है। = This is the correct answer.

Without है, the sentence would feel incomplete in standard Hindi.

A rough breakdown is:

• यह = this
• सही जवाब = correct answer
• है = is

Yes, in everyday spoken Hindi, many people would naturally say:

• क्या ये सही जवाब है?

This is very common in conversation. However, in formal or careful writing, यह is the standard singular form.

So both are heard, but:

• क्या यह सही जवाब है? = more standard/written
• क्या ये सही जवाब है? = very common in speech

Yes. A few natural alternatives are:

• क्या यह सही उत्तर है?
  More formal; उत्तर is a more formal word for answer.

• क्या यह सही जवाब है न?
  Adds a soft confirmation tone, like This is the correct answer, right?

• यह सही जवाब है क्या?
  A more conversational pattern, especially in speech.

All of these are possible, but क्या यह सही जवाब है? is simple, standard, and very useful.

Both can mean answer, but they differ slightly in tone.

• जवाब = very common, everyday, natural in speech
• उत्तर = more formal, academic, or official

So:

• क्या यह सही जवाब है? sounds natural and everyday.
• क्या यह सही उत्तर है? sounds a bit more formal, like in a classroom, test, or textbook.

A natural pronunciation would be close to:

kya yeh sahi javaab hai?

A few quick notes:

• क्या = kya
• यह is often pronounced like yeh
• सही = sahī
• जवाब = javaab
• है often sounds like hai

In normal speech, the sentence is usually spoken smoothly, with rising intonation because it is a question.

Yes. सही can mean both right and correct, depending on context.

So this sentence could be translated as:

• Is this the correct answer?
• Is this the right answer?

Both are natural translations.

Some simple answers are:

• हाँ, यह सही जवाब है। = Yes, this is the correct answer.
• हाँ, सही है। = Yes, that’s correct.
• नहीं, यह सही जवाब नहीं है। = No, this is not the correct answer.
• नहीं, गलत है। = No, it’s wrong.

A very useful pattern is:

• नहीं ... नहीं है = is not

So:

• यह सही जवाब नहीं है। = This is not the correct answer.