Subject
Quantitative Aptitude
Topic
Number
Adria first reduced a number by 20% and then increased it again by 20% If the difference between the last number and the original number was 8, then the original number was:
Adria first reduced a number by 20% and then increased it again by 20% If the difference between the last number and the original number was 8, then the original number was:
ক)
200খ)
250গ)
300ঘ)
450Explanation
Suppose, Original number= 100 at 20% less current number=(100-20)=80 20% increase, number is (80+80 x 20/100)=96 so,difference=(100-96)=4 if difference 4 then original number 100 if difference 8 then original number 100x8/4=200Related questions
On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:A number is as much greater than 36 as the less than Find the number.If one-third of one-fourth of a number is 15, then three-tenth of that number is:If the number 5 * 2 is divisible by 6, then * =?কাজের দিন ২ টাকা পাওনা এবং অনুপস্থিতির দিন ৫০ পয়সা জরিমানা এই শর্তে সেপ্টেম্বর মাসে ৪০ টাকা পেল। সে কত দিন কাজে উপস্থিত ছিল?476 ** 0 is divisible by both 3 and The non-zero digits in the hundred's and ten's places are respectively:The sum of two numbers is 25 and their difference is Find their product.