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1. a + b = 8, b + c = 11 এবং a + c 5 হলে, a + b + c এর মান কত?
- A. 12
- B. 12
- C. 12
- D. 12
Answer: Option A
Explanation:
a+b = 8 ….i
b+c = 11 ….ii
a+c = 5 ….iii
Now, Adding (i+ii+iii) we have,
2(a+b+c) = 24
So, a+b+c= 12
Ans: 12
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