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Write T before each true statement and write F before each false statement. Then give the truth value of the conditional expressed. 5x6-4=21 implies 2 (`5 -: 15+3`)=`20/3`

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To solve the problem, we need to evaluate the two statements given and determine their truth values. Then, we will analyze the conditional statement formed by these two statements. **Step 1: Define the statements.** Let: - \( p \): \( 5 \times 6 - 4 = 21 \) - \( q \): \( 2 \times \left( \frac{5}{15} + 3 \right) = \frac{20}{3} \) **Step 2: Evaluate statement \( p \).** Calculate \( 5 \times 6 - 4 \): \[ 5 \times 6 = 30 \\ 30 - 4 = 26 \] So, \( 5 \times 6 - 4 \) equals 26, not 21. Therefore, statement \( p \) is **false**. **Step 3: Evaluate statement \( q \).** Calculate \( 2 \times \left( \frac{5}{15} + 3 \right) \): First, simplify \( \frac{5}{15} \): \[ \frac{5}{15} = \frac{1}{3} \] Now, add 3: \[ \frac{1}{3} + 3 = \frac{1}{3} + \frac{9}{3} = \frac{10}{3} \] Now multiply by 2: \[ 2 \times \frac{10}{3} = \frac{20}{3} \] So, statement \( q \) is **true**. **Step 4: Determine the truth value of the conditional \( p \implies q \).** In logic, a conditional statement \( p \implies q \) is false only when \( p \) is true and \( q \) is false. In all other cases, it is true. Here, we have: - \( p \) is false (F) - \( q \) is true (T) Since \( p \) is false, the conditional \( p \implies q \) is **true**. **Final Answer:** - \( p \): F - \( q \): T - Truth value of \( p \implies q \): T ---
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ICSE-MATHEMATICAL REASONING-EXERCISE 27 (E)
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