Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word pair from the given alternatives

Findout the odd word/letters/number/number pair from the given alternatives.

There were 24 studentsina class. One of them, who was 18 years old, left the class and his place was filled up by a new comer.Ifthe average of the class was thereby lowered by 1 month, the age of new comer is-

If 177 is divided into 3 parts in the ratio 1/2 : 2/3: 4/5, then the second part is

BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is

A car travels a certain distance at 32 km/h and comes back at 68 km/h. What is the average speed for total journey?

Anil can do a piece of work in 14 days which Rohit can do in 21 days. They worked together for few days after which Anil left. If Rohit worked alone for 3 days, find the total number of days it took to complete the whole work.

In the following question, select the related number from the given alternatives.

695 : 659 : : 839 : ?