Find out the correct answer for the unsolved equation on the basis of the given equations.
If 6 * 5 = 91
8 * 7 = 169
10 * 7 = 211
then 11 * 10 = ?

If the digits within the number ‘1409432381’ are arranged in descending order from left to right then how many digit places will be unchanged?

Which one set of letter when sequentially placed at the gaps in the given letter series shall complete it?
ab __ deabcdfb __ d __ gbcfg __ cf __ h __

In a class, there are 80 students who study both Computer Science and Electronics. While 100 students study Computer Science, 120 Students study Electronics, How many of them study Computer Science only? 

Rahul walks 6km towards south and then he turns right and walks 5km. Again he turns left and walks 7km. In which direction and how far is he from his starting point?

‘A+B’ means ‘A’ is the brother of B’.‘A-B’ means ‘A’ is the husband of B’.‘A×B’ means ‘A’ is the mother of B’.‘A÷B’ means ‘A is the sister of B’. If P+R÷T-K×O×C, then how is P related to O?

The following question is based on a code language in which FORMATION is written as ZSXTJOBSL and RACIAL is written as XJNBJQ. How is RATIONAL written in this language?

Direction: In each of the following questions, three statements are given 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, follow from the given statements.

Statements:

I. Some L are D. 

II. No D is A.

III. All A are F. 

Conclusions: 

I. All D are L.

II. Some F are not D.