What should come in place of question mark (?) in the following questions? 1.5 × 78 ÷ 0.5 = ?
234
Solving the Calculation: 1.5 × 78 ÷ 0.5
The question asks to find the value represented by the question mark (?) in the expression $1.5 \times 78 \div 0.5$. We need to perform the arithmetic operations following the standard order.
Step-by-Step Calculation
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Multiply 1.5 by 78:
First, calculate the product of $1.5$ and $78$.
$ 1.5 \times 78 = \frac{3}{2} \times 78 $
$ = 3 \times \frac{78}{2} $
$ = 3 \times 39 $
$ = 117 $
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Divide the result by 0.5:
Next, divide the result ($117$) by $0.5$. Dividing by $0.5$ is the same as multiplying by $2$.
$ 117 \div 0.5 = 117 \div \frac{1}{2} $
$ = 117 \times 2 $
$ = 234 $
Final Answer
The calculation $1.5 \times 78 \div 0.5$ equals $234$. Therefore, the question mark (?) should be replaced by $234$.
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Important Questions from Simplification
- A bag contains ₹5, 2 and 1 coins in the ratio of 3 : 4 : 5. The total value of all the coins is ₹2,100. How many coins of ₹5 are there in the bag?
- \(\frac{6}{2}\times\frac{10}{2}\div\frac{6}{2}\times6^2+5\times4=?\)
- Find the value of 2.\(\overline {36} \) + 3.\(\overline {21} \) - 1.\(\overline {05} \)
Find the value of \(0.\overline {3{\rm{\;}}} {\rm{of\;}}0.\bar 5 \div 0.\bar 5{\rm{\;of}}\left( {0.\bar 7 - 0.\bar 4} \right)\)
What will come in the place of the question mark ‘?’ in the following question?
15 × 2 – 2 × 8 – 7 = ?
