Advertisements
Advertisements
प्रश्न
72% of 25 students are interested in mathematics. How many are not interested in mathematics?
Advertisements
उत्तर
It is given that 72% of 25 students are good in mathematics.
Therefore,
∴ Percentage of students who are not good in mathematics = (100 − 72)%
= 28%
∴ Number of students who are not good in mathematics = `28/100 xx 25`
= 7
Thus, 7 students are not good in mathematics.
APPEARS IN
संबंधित प्रश्न
Convert the following percentage to fractions and ratio:
125%
State true or false :
A ratio equivalent to 7 : 9 is 27 : 21.
The sides of a triangle are in the ratio 3 : 2 : 4. If the perimeter of the triangle is 27 cm, find the length of each side.
Shubham’s age today is 12 years and his father’s is 42 years. Shubham’s mother is younger than his father by 6 years. Find the ratio of Shubham’s age to his mother’s age when Shubham was 10 years old.
Find the sub-triplicate ratio of 1 : 216
Express the following ratio in the simplest form:
777 : 1147
Write the following ratio in the simplest form:
3 m 5 cm : 35 cm
In an army camp, there were provisions for 425 men for 30 days. How long did the provisions last for 375 men?
Choose the correct answer from the given options :
Two numbers are in the ratio 7 : 9. If the sum of the numbers is 288, then the smaller number is
If a bus travels 160 km in 4 hours and a train travels 320 km in 5 hours at uniform speeds, then the ratio of the distances travelled by them in one hour is ______.
