Assumptions, Arguments & Decision Making Steady

In a recruitment process, the selection of candidates is based on their performance in three components. The weightages of the components 1, 2 and 3 are 0.2, 0.3 and 0.5, respectively. Use the data given below and find t

In the expression 5 * 4 * 3 * 2 * 1, * is chosen from +, −, × each at most two times. What is the smallest non-negative value of the expression?

If 7 ⊕ 9 ⊕ 10 = 8, 9 ⊕ 11 ⊕ 30 = 5, 11 ⊕ 17 ⊕ 21 = 13, what is the value of 23 ⊕ 4 ⊕ 15 ?

If means 'divided by'; @ means 'multiplied by'; # means 'minus', then the value of 10#5@15 is