Subject
Bank Exam
Topic
Prabashi Kallyan Bank Ltd Officer Cash - 25.09.2021
What is the sum of two consecutive even numbers the difference of whose squares is 84.
What is the sum of two consecutive even numbers the difference of whose squares is 84.
ক)
48খ)
58গ)
42ঘ)
46Explanation
মনে করি ,ক্রমিক জোড় সংখ্যা দুইটি x ও x+2 প্রশ্নমতে ,(x+2)²-x²=84 x²+4x+4-x²=84 বা,4x=80 বা,x=20 নির্ণেয় যোগফল =x+x+2 =20+20+2=42Related questions
What is the correct HTML tag for columns in a table?Identify similar relationship expressed in the pair. 'conscious-careless'USB is ......... storage device.The expression, 'Time after twilight and before night', can be substituted by the word.Which one of the following is a loop construct that will always be executed once?No man is an island'. What does this proverb mean?Which input values will cause an AND logic gate to produce a HIGH output?Change the voice: 'They are going to sell the market'.