Two candidates, \(X\) and \(Y\), appeared in an interview for two vacancies for the same post. The probabilities of their selection are \(\frac{1}{4}\) and \(\frac{1}{7}\), respectively. What is the probability that one of them will be selected?

Which of the following books are correctly matched with their authors? (A) Humayun Nama - Gulbadan Begum (B) Akbar Nama - Abul Fazl (C) Badshah Nama - Abdul Hamid Lahori (D) Alamgir Nama - Muhammad Waris Choose the correct answer from the options given below:

What was the day of the week on 1st January, 2006?

If the points \(A(11, y)\), \(B(13,5)\), \(C(14,7)\) and \(D(12,6)\) are the vertices of a parallelogram, taken in order, find the value of \(y\).

The mode and median of a set of 7 observations are 22.72 and 49.28, respectively. If each of the largest 3 observations of the set is increased by 4, then the median of the new set?

Which among the following non-metal is "monoatomic"?

Which of the following authors is wrongly matched with their books?

Which among the following is NOT a type of "muscle tissue"?

Consider the following statements (A) The difference between the place values of 9 and 5 in the number 639457 is 4. (B) The number \(\pi\) is an irrational number. (C) The sum of all the prime numbers from 1 to 20 is 67. (D) The difference between the face values of 5 and 3 in nu…