In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'

Ritu as well as (a)/ some of her friends (b)/ have fallen in love with Sonu, who (c)/ is the eldest of son of an S.D.O. (d)/ No error (e)

निम्नलिखित में से किस शब्द में ' इत ' प्रत्यय प्रयुक्त नहीं हुआ है? 

A solid cube of 4 inches has been painted Red, Green, and Black on pair of opposite faces. It has been cut into one-inch cubes. How many cubes have only one face painted that too only red? 

Direction: In these questions, a part of the sentence is given in bold. Below are given alternative 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).
Q.12. I prefer to ride than to walk.

STUPID

What is the respective ratio of number of employees in Administrative department to the number of males in the same department?

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