Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
25 * 7 * 40 * 20 * 4 * 210
Answer & explanation
Correct answer: option 3
From option (3)
25 × 7 + 40 – 20 ÷ 4 = 210
175 + 40 – 5 = 210
215 – 5 = 210
210 = 210