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?

Seismograph: Earthquakes: Taseometer : ? 

How many pair of letters are there in the word “EFFECTIVE” which has as many letters (in both forward and backward direction) in between as they have in English alphabet series?

In each of the following questions, a series is given, with one term missing. Choose the correct alternative from the given one that will complete the series.
2, 3, 9, 49, ?, 3841

Select the square-set best represented by the following Venn diagram.

Find the missing number from the given responses.

If Mohan watch the rising sun behind the temple and the setting sun behind the railway station from his house, what is the direction of the temple from the railway station? 

Complete the following series.
ZIP, WIP, TIP, ?.