Subject
Bank Exam
Topic
IFIC Bank Ltd. - Management Trainee Officer - 2017
The average of a and b is 40 and the sum of b and c is 70. What is the value of a - c ?
The average of a and b is 40 and the sum of b and c is 70. What is the value of a - c ?
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15ঘ)
20Explanation
Solution: প্রশ্নে বলা হচ্ছে যে, a ও b এর গড় হচ্ছে 40 এবং b ও c এর সমষ্টি 90 হলে (a - c) এর মান কত ? a এবং b এর সমষ্টি => (a+b) = (40 2) = 80 .......... (1) b এবং c এর সমষ্টি => b + c = 70 ................. (2) (1) নং সমীকরণ থেকে (2) নং সমীকরণ বিয়োগ করি, a - c = 10Related questions
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