Mary and Mike are married to each other. John is Mary's brother while Douglas is Mike's brother. In a gathering of 2 children of Mary and Mike, 3 of John and 2 of Douglas, the number of first-cousin pairs (sibling's children are first-cousins to each othe

A, B, C, D and E are members of a family. A is a doctor and wife of a lawyer. B is the brother of C and husband of a teacher. C is an engineer and daughter of the lawyer. Which of the following inferences can be definitely made?

A test consists of 20 questions and the students are awarded 4 marks for a correct answer, -1 mark for a wrong answer and 0 mark for an unattempted question. Which of the following could be a possible number of questions attempted by a student who secured

P starts a business with an investment of Rs. 30 lakh. Two months later Q joined with Rs.90 lakh. Subsequently R joined with Rs. 180 lakh. The year-end profit of Rs. 1.2 crore was distributed in proportion of the investment and duration in the partnership

In a round-robin tournament (each team plays with all other teams once) between 8 teams, a win fetched 3 points and a draw, 1. After each team had played 4 matches, the total of the points of the teams was 34. The number of drawn games among those played

If the difference between the two-digit numbers made from digits a and b is 27, the difference between a and b is

Choose the correct option that will make the following statement correct: THE NUMBER OF TIMES THE LETTER "I" OCCURS IN THIS SENTENCE IS _____.