Subject
Bank Exam
Topic
Dhaka Bank Ltd. 2016 Trainee Officer (Cash)
On dividing a number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5?
On dividing a number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5?
ক)
0খ)
1গ)
2ঘ)
4Explanation
Let the number be x and on dividing x by 5, we get k as quotient and 3 as remainder. x = 5k + 3 x2 = (5k + 3)2 = (25k2 + 30k + 9) = 5(5k2 + 6k + 1) + 4 On dividing x2 by 5, we get 4 as remainderRelated questions
The ratio of salaries of A, B and C is 1:2: The salaries of B and C together are Tk. 6, By what percentage is the salary of C more than that of A.Kamal went to a shop and bought things worth Tk Out of which 30 paisa went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?In which district in ‘Uttara Ganabhaban’ Located?Bony takes 2 hours to wash 500 dishes, and Farah takes 3 hours to wash 450 dishes. How long will they take working together to wash 1000 dishes?The product of two consecutive negative even integers is What is the larger number?A ferry can carry 24 buses or 36 cars at a time. If there are 18 buses on the ferry,how many cars can be loaded onto it?The total age of A,B and C is 90 Years.Ten years ago the ratio of their ages was 1:2: What is the present age of B?Identify the missing word from the given choices: Bangladesh has so ----- beautiful places to visit.