Question : Directions: Which two signs and two numbers should be interchanged in the following equation to make it correct? 35 + 15 – 4 × 45 ÷ 5 = 98
Option 1: 35 and 45; + and –
Option 2: 15 and 5; × and +
Option 3: 35 and 45; × and –
Option 4: 15 and 35; × and ÷
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Correct Answer: 35 and 45; × and –
Solution : Given: 35 + 15 – 4 × 45 ÷ 5 = 98
Replace the given symbols and numbers in the options one by one with the original symbols and numbers in the given equation. First option: 35 and 45; + and – = 45 – 15 + 4 × 35 ÷ 5 = 30 + 28 = 58 ≠ 98 Second option: 15 and 5; × and + = 35 × 5 – 4 + 45 ÷ 15 = 175 – 4 + 3 = 174 ≠ 98 Third option: 35 and 45; × and – = 45 + 15 × 4 – 35 ÷ 5 = 45 + 60 – 7 = 105 – 7 = 98 Fourth option: 35 and 45; × and ÷ = 45 + 15 – 4 ÷ 35 × 5 = 60 + 60 – 0.57 = 119.43 ≠ 98
Here, only the third option satisfies the R.H.S. of the given equation. Hence, the third option is correct.
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Question : Directions: Which two signs should be interchanged to make the following equation correct? 22 – 16 ÷ (3 × 4) + 6 = 8
Option 1: ÷ and +
Option 2: – and ×
Option 3: – and +
Option 4: ÷ and ×
Question : Directions: Which two signs should be interchanged in the following equation to make it correct? 38 ÷ 19 × 11 – 357 + 17 = 226
Option 1: – and ÷
Option 2: + and ÷
Option 3: × and +
Option 4: × and –
Question : Directions: Choose the correct sequence of signs for balancing the following equation. 20 _ 4 _ 6 _ 5 _ 35
Option 1: ÷, ×, –, =
Option 2: ×, ÷, +, =
Option 3: ÷, ×, +, =
Option 4: +, ×, ÷, =
Question : Directions: Which two signs and two numbers should be interchanged in the following equation to make it correct? 19 + 27 – 4 ÷ 2 × 3 = 20
Option 1: – and ÷; 4 and 3
Option 2: ÷ and ×; 19 and 27
Option 3: – and +; 27 and 2
Option 4: + and ×; 3 and 2
Question : Directions: Which two signs and two numbers should be interchanged in the following equation to make it correct? 14 × 8 + 64 ÷ 32 – 2 = 88
Option 1: 8 and 32; × and +
Option 2: 14 and 2; × and +
Option 3: 8 and 2; – and ÷
Option 4: 32 and 64; + and ÷
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