Question

join the following sentences to make one complete sentences without using and but or so number one Sundar cannot do the sum you have to help him​

Answer 1

Answer:you have to help sundar as he cannot do the sum

Explanation:

Answer 2

Here is your answer:

Since Sundar cannot do the sum, you have to help him.

Explanation

This type of sentence is called Complex Sentence. A complex sentence has one independent and one or more dependent clauses. The clauses in a complex sentence can be in any order. If the dependent clause is first, a comma is usually after it.