If × means ÷, – means ×, ÷ means + and + means- then (3 – 15 ÷ 19) × 8 + 6 = ?

Question

If × means ÷, – means ×, ÷ means + and + means- then

(3 – 15 ÷ 19) × 8 + 6 = ?

A. -1

B. 2

C. 4

D. 8

Answer: B. 2

Solution:

By the given data, we have the expression :

(3 × 15 + 19) ÷ 8 – 6

= (45 + 19) ÷ 8 – 6

= 64 ÷ 8 – 6

= 8 – 6

= 2

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If × stands for ‘addition’, ÷ stands for ‘subtraction’, + stands for ‘multiplication’ and – stands for ‘division’, then 20 × 8 ÷ 8 – 4 + 2 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation? 1 ÷ 14 x 30 + 20 – 10 = 12