If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 8442 & 9 # 7 % 6 @ 4 = ?

Select the missing number from the given responses?

In a certain code language, "TEACHER" is written as "6427341" and "MAN" is written as "825". How is "MERCHANT" written in that code language ?

Arrange the given words in the sequence in which they occur in the dictionary.

i. Ramification
ii. Rampant
iii. Rapport
iv. Radical

Karan, Arjun, Preeti, Priya and Ashish are travelling in a car. Three years ago, the average age of Arjun, Preeti and Priya was 42 years. If the present age of Karan is 65 years and the present average age of all five is 50 years, then what is the present age of Ashish?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statements:
(I) All flowers are stems.
(II) All stems are roots.

Conclusion:
(I) All roots are flowers.
(II) All stems are flowers.

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

250, 370, 394, 400, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

BC, OP, DE, QR, ?