Verbal Reasoning - Mental Ability Questions

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

In the following question, select the related word from the given alternatives.
Mathematics : Formulas : : Chemistry : ?

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

UMP, SKN, QIL, OGJ, ?

Find the next term in the following. series: X24C, V22E, T20G, ...........

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

5, 11, 24, 51, ?

Suraj is shorter than Gopal but taller than Tarun. Rajan is the tallest and Shivam is shorter than Suraj but not the shortest. Who is the third shortest?

If a man takes 25 minutes to reach railway station and his train is scheduled at “$%”. Then at what time should he leave to reach the station 10 minutes earlier?

Ratio of present ages of Pankaj and Punit is 5 : 6 and the sum of their ages is 33 years. What will be the difference (in years) of their ages?