In the following questions, correct the equation by interchanging two signs.
9 × 3 + 8 ÷ 4 – 7= 28

If ‘take a bath daily’ stands for ‘brush your teeth twice’, ‘bath keeps clean’ stands for ‘bring some twice’ and ‘some good habbit clean a water take’ stands for ‘please bring us free some your tea’. What does ‘keeps’ mean?

If 25 @ 12 @4=296 and 15@6@3=87, then what is the value of 20@8@7=?

Savita correctly remembers that Rahul birthday was after Monday but before Friday. Sandeep correctly remembers that Rahul's birthday was after Tuesday but before Saturday. On which day of the week does Rahul's birthday definitely fall?

In this question relationships between different elements are shown in the statements. These statements are followed by two conclusions.
Statements K≤L≤M=N                
                   P≥O≥N      
Conclusions. I. K<P        
                     II. K=P

What will come in place of question mark(?) in the following number series?

BJ , CL , EN , HP , ? 

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

I. Some X are M.

II. All W are X.

Conclusions:

I. Some M are not W.

II. No W is M.

III. Some M are not X.