Question : Directions: If 20 × 5 = 4 and 48 × 12 = 4, then 77 × 11 = ?
Option 1: 7
Option 2: 4
Option 3: 847
Option 4: 10
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Correct Answer: 7
Solution : Given: 20 × 5 = 4 48 × 12 = 4
Here, the pattern followed is – 20 × 5 = 4→20 ÷ 5 = 4 48 × 12 = 4→48 ÷ 12 = 4 Similarly, 77 × 11 = ?→77 ÷ 11 = 7
So, 7 is the required answer. Hence, the first option is correct.
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Question : Directions: If 4 × 2 × 6 = 1626, 3 × 7 × 4 = 974, then 5 × 6 × 8 = ?
Option 1: 2568
Option 2: 5664
Option 3: 6456
Option 4: 3658
Question : Directions: If 8 × 16 × 9 = 8169 and 9 × 23 × 4 = 9234, then 4 × 10 × 11 = ?
Option 1: 11014
Option 2: 41011
Option 3: 14610
Option 4: 10114
Question : Directions: Which two numbers should be interchanged, to make the given equation correct? 3 × 7 – 5 + 2 = 10
Option 1: 10 and 7
Option 2: 7 and 5
Option 3: 3 and 5
Option 4: 3 and 2
Question : Directions: Which two digits should be interchanged in the given equation to make it mathematically correct? 20 ÷ 7 × 2 + 5 – 3 = 12
Option 1: 2 and 3
Option 3: 7 and 2
Option 4: 2 and 5
Question : Directions: Which two numbers should be interchanged to make the given equation correct? 5 – 4 ÷ 2 × 10 + 7 = 7
Option 1: 10 and 2
Option 2: 5 and 7
Option 3: 5 and 2
Option 4: 10 and 5
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