Quantitative Aptitude - Arithmetic Ability Questions

In a class of 50 students there are 27 girls. The average weight of these girls is 45 kg and average weight of the full class is 49.6 kgs. What is the average weight of the boys of the class?

What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

What is the value of Tan 45° - 1/√3 Sec 60°?

Find two numbers such that their mean proportion is 12 and third proportion is 768.

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.