Which two signs should be interchanged to make the following equation correct?
20 ÷ 20 + 20 – 25 × 25=419

Complete the following series.
BY, GT, LO, ?, VE

If COOL is coded as DQRP, then write the code for HOT

Direction: - Two Statements are given following by four conclusions, I, II, III and IV. You have to consider that Statements to be true, even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions can definitely be drawn from the given Statements. Indicate your answer. 

Statements:
Some books are Magazines.
Some Magazines are Novels.
Conclusion:
I. Some books are Novels.
II. Some Novels are Magazines.

Mohit and Sudesh bought pens and notebooks from the same shop. Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. Sudesh bought 5 pens and 2 notebooks by paying an amount of ₹116. How much did Mohit spend on buying notebooks?

If in a dice it's two opposite surface addition is 7. Which is the right form of this dice shown below?

Seismograph: Earthquakes: Taseometer : ?