English and Logical Reasoning Prep GuideLogical ReasoningMathematical Operations
Directions: Kindly solve the following questions and choose an option as your answer for each. If ‘–’ stands for ‘÷’; ‘+’ stands for ‘×’; ‘÷’ stands for ‘–’ and ‘×’ stands for ‘+’. Which one of the following is correct?
Options
- A10 + 5 – 5 ÷ 5 × 5 = 10
- B10 – 5 + 5 ÷ 5 × 5 = 25
- C10 × 5 ÷ 5 + 5 – 5 = 0
- D10 ÷ 5 × 5 ÷ 5 = 15
Correct answer
A. 10 + 5 – 5 ÷ 5 × 5 = 10
Step-by-step solution
– ⇒ ÷ + ⇒ × ÷ ⇒ – × ⇒ + From the option 1: ⇒ 10 + 5 – 5 ÷ 5 × 5 = 10 ⇒ 10 × 5 ÷ 5 – 5 + 5 = 10 ⇒ 10 × 1 – 5 + 5 = 10 ⇒ 10 – 5 + 5 = 10 Hence, the option A is correct.