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In this type, you are provided with substitutes for various mathematical symbols, followed by a question involving calculation of an expression or choosing the correct / incorrect equation. The candidate is required to put in the real signs in the given equation and then solve the questions as required. Note: - While solving a mathematical expression, proceed according to the rule BODMAS – i.e. Brackets, Of, Division, Multiplication, Addition, Subtraction.

If + means ÷, × means -, ÷ means × and - means+, than 8 + 6 × 4 ÷ 3 - 4 = ?

Option:
A. -12
B. - 20/3
C. 12
D. 20/3
E. None of these
Answer: B . -20/3

Justification: Using the correct Symbol, we have : Given expression : 8 ÷ 6 - 4 × 3 + 4 = 4/3 - 4 × 3 + 4 = 4/3 -12 + 4 = - 20/3

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