Class 7 Exam > Class 7 Questions > If a = 20, b = 40 and c = 80 then a x b + a x...
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If a = 20, b = 40 and c = 80 then a x b + a x c must be equal to
- a)2400
- b)3200
- c)1600
- d)4000
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
If a = 20, b = 40 and c = 80 then a x b + a x c must be equal toa)2400...
Given values are :
a = 20
b = 40 and
c = 80
a = 20
b = 40 and
c = 80
So a x b + a x c= 20 x 40 + 20 x 80
= 800 + 1600
= 2400
So optin A is correct answer.
Most Upvoted Answer
If a = 20, b = 40 and c = 80 then a x b + a x c must be equal toa)2400...
According to the bodmas a×b+a×c=?
20×40+20×80=2400
20×40+20×80=2400
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Community Answer
If a = 20, b = 40 and c = 80 then a x b + a x c must be equal toa)2400...
**Given Information:**
- a = 20
- b = 40
- c = 80
**To Find:**
The value of a x b and a x c
**Solution:**
To calculate a x b and a x c, we need to multiply the given values of a, b, and c.
1. Calculate a x b:
- Substitute the values of a and b into the equation.
- a x b = 20 x 40
- Multiply the numbers.
- a x b = 800
2. Calculate a x c:
- Substitute the values of a and c into the equation.
- a x c = 20 x 80
- Multiply the numbers.
- a x c = 1600
**Conclusion:**
The value of a x b is 800 and the value of a x c is 1600. Therefore, option 'A' (2400) is incorrect.
- a = 20
- b = 40
- c = 80
**To Find:**
The value of a x b and a x c
**Solution:**
To calculate a x b and a x c, we need to multiply the given values of a, b, and c.
1. Calculate a x b:
- Substitute the values of a and b into the equation.
- a x b = 20 x 40
- Multiply the numbers.
- a x b = 800
2. Calculate a x c:
- Substitute the values of a and c into the equation.
- a x c = 20 x 80
- Multiply the numbers.
- a x c = 1600
**Conclusion:**
The value of a x b is 800 and the value of a x c is 1600. Therefore, option 'A' (2400) is incorrect.
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