Which is the processor that performs arithmetical and logical operations called? 

Directions : In these questions , a part of the sentence is given in bold . Below are given alternatives to the bold part at (A) , (B) and (C) which may improve the sentence . Choose the correct alternative . In case no improvement is needed you answer is (D ) .

The teacher said, “It is time that your daughter has learned how to write.”

The ratio of the age of a son and father is 1: 4. After 9 years, the ratio will be 2: 5. What is the present age (in years) of the son?

Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No improvement.
They dissuaded me of visiting the War Memorial but I really wanted to see it.

The first RRB of India Prathama Bank was established in which year?

Which of the following became Assam's first zero-waste town?

Directions (78): In questions given below, out of the four alternatives, choose the one which can be substituted for the given words/ sentence.
The scientific study of the structure and diseases of teeth            

This train carries goods from Delhi to Bombay.