Look at this series: 22, 21, 23, 22, 24, 23, … What number should come next?

(Essential Part) language

Statement: “In order to bring punctuality in our office, we must provide conveyance allowance to our employees.” – In charge of a company tells Personnel Manager.
Assumptions:
Conveyance allowance will not help in bringing punctuality.
Discipline and reward should always go hand in hand.

Look at this series: 1.5, 2.3, 3.1, 3.9, … What number should come next?

Statements: No women teacher can play. Some women teachers are athletes.
Conclusions: I Male athletes can play. II Some athletes can play.

Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction?

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?

A person’s present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?

In how many different ways can the letters of the word ‘OPTICAL’ be arranged so that the vowels always come together?

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is: