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What value will come in place of questio...

What value will come in place of question mark(?) in the question
`413/576 xx 32/59 xx ?`= 1`1/4`

A

3`1/7`

B

3`3/14`

C

3`2/7`

D

3`1/5`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation \( \frac{413}{576} \times \frac{32}{59} \times ? = 1 \frac{1}{4} \), we need to find the value of the question mark (?). Let's break it down step by step. ### Step 1: Convert the mixed number to an improper fraction First, we convert \( 1 \frac{1}{4} \) to an improper fraction. \[ 1 \frac{1}{4} = \frac{4 \times 1 + 1}{4} = \frac{5}{4} \] ### Step 2: Set up the equation Now we can rewrite the equation using the improper fraction: \[ \frac{413}{576} \times \frac{32}{59} \times ? = \frac{5}{4} \] ### Step 3: Isolate the question mark To find the value of ?, we can isolate it by dividing both sides of the equation by \( \frac{413}{576} \times \frac{32}{59} \): \[ ? = \frac{5}{4} \div \left( \frac{413}{576} \times \frac{32}{59} \right) \] ### Step 4: Rewrite the division as multiplication Dividing by a fraction is the same as multiplying by its reciprocal: \[ ? = \frac{5}{4} \times \frac{576 \times 59}{413 \times 32} \] ### Step 5: Simplify the expression Now we can simplify the right side. Let's calculate \( \frac{576 \times 59}{413 \times 32} \): 1. Calculate \( 576 \div 32 = 18 \) 2. Now we have \( ? = \frac{5}{4} \times \frac{18 \times 59}{413} \) ### Step 6: Calculate \( 18 \times 59 \) Now calculate \( 18 \times 59 \): \[ 18 \times 59 = 1062 \] ### Step 7: Substitute back into the equation Now substitute back into the equation: \[ ? = \frac{5}{4} \times \frac{1062}{413} \] ### Step 8: Simplify further Now we can simplify \( \frac{5 \times 1062}{4 \times 413} \): 1. Calculate \( 5 \times 1062 = 5310 \) 2. Calculate \( 4 \times 413 = 1652 \) So we have: \[ ? = \frac{5310}{1652} \] ### Step 9: Reduce the fraction Now we can reduce \( \frac{5310}{1652} \) to its simplest form. After calculating the GCD, we find that: \[ ? = \frac{45}{14} \] ### Step 10: Convert to mixed number Finally, convert \( \frac{45}{14} \) to a mixed number: \[ 45 \div 14 = 3 \quad \text{(remainder 3)} \] So, \[ ? = 3 \frac{3}{14} \] ### Final Answer Thus, the value that comes in place of the question mark (?) is \( 3 \frac{3}{14} \). ---
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