In a college, 45% of the students are boys. If 40% of the boys and 20% of the girls went on a picnic, what percentage of the total students went to the picnic?

18%

24%

29%

30%

উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।

ব্যাখ্যা ও সঠিক সমাধান

উত্তর: 29%

Boy's 45%, So, Girls = ( 100 - 45) % = 55% Boy's went to picnic = 45% of 40% = 18% Girls went to picnic = 55% of 20% = 11% Total students went on a picnic = ( 18 + 11) % = 29 %

পূর্ববর্তী আগের প্রশ্ন

পরবর্তী সামনের প্রশ্ন

অনুসন্ধান করুন

বিস্তারিত সমাধান

In a college, 45% of the students are boys. If 40% of the boys and 20% of the girls went on a picnic, what percentage of the total students went to the picnic?

If u> t, r> q , s>t, t>r, which of the following must be true?

The price of a certain television set is discounted by 10 percent, and the reduced price is then discounted by 10 percent. The series of successive discount is equivalent to a single discount of -

A pen was sold at 15% loss. If the selling price was Tk. 8 more, than the seller could have made a profit of 10%. What was the purchase price of pen?

Ms. Lyla wants to put up fencing around three sides of her rectangular garden and have a side of 20 meter unfenced. If the yard has an area of 680 square meters, how many yards of fencing does she need?

The difference between two numbers is 7 and their product is 60, then one of the two numbers must be -

If the diameter of a circle is doubled the area will be -

In a sugar-water solution, the ratio of water to sugar is 8:3. If you add 2 Kgs of sugar, the ratio become 2:1. What was the amount of sugar in the original solution?

If the area of rectangle R with length 4 feet is equal to the area of square S, which has a perimeter of 24 feet , then the perimeter of rectangle R equals -

What percent of 25 is 0.20?

If N and P are both odd numbers, which of the following numbers must be an even number?

কোর্স

অনুসন্ধান করুন

বিস্তারিত সমাধান

In a college, 45% of the students are boys. If 40% of the boys and 20% of the girls went on a picnic, what percentage of the total students went to the picnic?

সম্পর্কিত বিষয় সমূহ

সম্পর্কিত অন্যান্য প্রশ্ন

If u> t, r> q , s>t, t>r, which of the following must be true?

The price of a certain television set is discounted by 10 percent, and the reduced price is then discounted by 10 percent. The series of successive discount is equivalent to a single discount of -

A pen was sold at 15% loss. If the selling price was Tk. 8 more, than the seller could have made a profit of 10%. What was the purchase price of pen?

Ms. Lyla wants to put up fencing around three sides of her rectangular garden and have a side of 20 meter unfenced. If the yard has an area of 680 square meters, how many yards of fencing does she need?

The difference between two numbers is 7 and their product is 60, then one of the two numbers must be -

If the diameter of a circle is doubled the area will be -

In a sugar-water solution, the ratio of water to sugar is 8:3. If you add 2 Kgs of sugar, the ratio become 2:1. What was the amount of sugar in the original solution?

If the area of rectangle R with length 4 feet is equal to the area of square S, which has a perimeter of 24 feet , then the perimeter of rectangle R equals -

What percent of 25 is 0.20?

If N and P are both odd numbers, which of the following numbers must be an even number?