Subject
Govt.Jobs
Topic
সিকিউরিটি প্রিন্টিং কর্পোরেশন লি. সহকারি ব্যবস্থাপক (সাধারণ)-২৬.১১,২০২১
a is greater than b by 2 and b is greater than c by 10. If (a + b + c) = 130, then b+c-a = ?
a is greater than b by 2 and b is greater than c by 10. If (a + b + c) = 130, then b+c-a = ?
ক)
34খ)
36গ)
38ঘ)
39Explanation
এখানে , a-b=2 বা,a=b+2.......(i) আবার, b-c=10 বা, b-10=c বা,c=b-10...........(ii) আবার, a+b+c=130 বা,b+2+b+b-10=130 বা,3b-8=130 বা,3b=138 বা,b=46 অতএব ,(i) বা, a =46+2=48 (ii)বা c=46-10=36 অতএব ,b+c-a=46+36-48 =34Related questions
One who has contempt for human nature, is known-Find the area of the triangle formed by the points located at (5, 2), (-9, -3) and (-3, -5).A mournful poem written on the death of someone loved and lost is.Everyone in the group shook hands with -25 percent of 30 is 75 percent of what number?A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is-What is the correct spelling of the following word?The batting average for 40 innings of a cricket player is 50 runs. His highest score in an innings exceeds his lowest score by 172 runs. If these two innings are excluded, the average score of the remaining 38 innings is 48 runs. Find his highest score in an innings.