A student loses I mark for every wrong answer and scores 2 marks for every correct answer . If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct?

Created: 4 months ago | Updated: 2 months ago
Job Solution Sonali Bank Ltd অফিসার (মুক্তিযোদ্ধা) ০৮.০২.২০১৯ গণিত
365
Add Description

Related Questions

If x is an integer and y=-2x-8, what is the least value of x which y is less than 9?

Created: 4 months ago | Updated: 2 months ago
Job Solution Sonali Bank Ltd Senior Officer 01-06-2018 গণিত
505
Add Description

The next number in the sequence 3,6, 11, 18, 27 , ---

Created: 4 months ago | Updated: 2 months ago
Job Solution Sonali Bank Ltd Senior Officer 01-06-2018 গণিত
487
Add Description

If x:y=5:3, then (8x-5y): (8x-5y)=?

Created: 4 months ago | Updated: 2 months ago
Job Solution Sonali Bank Ltd Senior Officer 01-06-2018 গণিত
548
Add Description

The sum of first 17 terms of the series 5, 9,13, 17 , .....

Created: 4 months ago | Updated: 2 months ago
Job Solution Sonali Bank Ltd Senior Officer 01-06-2018 গণিত
537
Add Description

If A= {1,2,3,4,5} then the number of proper subsets of A is____

Created: 5 months ago | Updated: 2 months ago
Job Solution Sonali Bank Ltd Senior Officer 01-06-2018 গণিত
565
Add Description