Directions: 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'.
The officer was doubtful (a)/ it some of the clerks (b)/ of his office were (c)/ involved in bribery. (d)/ No error (e)

Directions: 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'.
Neither the doctor (a)/ nor his assistants (b)/ were asleep when (c)/ the phone rang up. (d)/ No error (e)

Directions: 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'.
Because he has (a)/ been ill for a month (b)/ so he does not (c)/ come to the office. (d)/ No error (e)

Select the most appropriate meaning of the given idiom.
To play ducks and drakes

P's father Q is B's paternal uncle and A's husband M is P's paternal uncle. How is A related to B ?

In a row of forty boys facing South. A is ten to the left of C who is thirty eight to the right of D. What is position of A from West in row?

A, B and C started a business with their investments in the ratio 1 : 2 : 4 . After 6-month A invested the half amount more as before and B invested same the amount as before while C withdrew $$1\over 4$$th of the his investments. Find the ratio of their profits at the end of the year. 

Rahul leaves his home and walks 5 km towards east, turns in the south-east direction and walks for 10km, then he turns north-east and moves 10 km. Again, he moves towards the north for 10km. In which direction is he now from starting point?