Question : Directions: Select the correct combination of mathematical signs that can sequentially replace the * signs from left to right to balance the following equation. 16 * 35 * 5 * 20 * 4 * 89
Option 1: ×, –, +, ÷, =
Option 2: –, ÷, +, ×, =
Option 3: ×, ÷, +, –, =
Option 4: –, ×, ÷, +, =
Correct Answer: –, ÷, +, ×, =
Solution : Given: 16 * 35 * 5 * 20 * 4 * 89; Apply the mathematical operations according to the options to make the equation correct.
Let's check each option – First option: ×, –, +, ÷, = 16 × 35 – 5 + 20 ÷ 4 = 89 L.H.S.→16 × 35 – 5 + 5 560 – 5 + 5 = 560 560 ≠ 89 Second option: –, ÷, +, ×, = 16 – 35 ÷ 5 + 20 × 4 = 89 L.H.S.→16 – 7 + 80 9 + 89 = 89 89 = 89 (L.H.S. = R.H.S.) Third option: ×, ÷, +, –, = L.H.S.→16 × 35 ÷ 5 + 20 – 4 = 89 16 × 7 + 20 – 4 112 + 20 – 4 = 128 128 ≠ 89 Fourth option: –, ×, ÷, +, = 16 – 35 × 5 ÷ 20 + 4 = 89 L.H.S.→16 – 35 × 5 ÷ 20 + 4 16 – 35 × 0.25 + 4 16 – 8.75 + 4 = 11.25 11.25 ≠ 89
So, only the second option satisfies the equation. Hence, the second option is correct.
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
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