The actual area of a rectangle is 60 Cm2, but while measuring its length a student decreases it by 20% and the breadth increases by 25%. The percentage error in area, calculated by the student is :
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
The price of raw materials has gone up by 15%, labor cost has also increased from 25% of the cost of raw material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?
Solution |
2
Discuss
|
In the recent, climate conference in New York, out of 700 men, 500 women, 800 children present inside the building premises, 20% of the men, 40% of the women and 10% of the children were Indians. Find the percentage of people who were not Indian?
Solution |
3
Discuss
|
In the Bombay Stock Exchange there are 45% female employees and thus the number of male employees is exceeded by 72. Hence the total no. of employees in the BSE is:
Solution |
4
Discuss
|
Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?
Solution |
5
Discuss
|
When any number is divided by 12, then dividend becomes `1/4t h` of the other number. By how much percent first number is greater than the second number?
Solution |
6
Discuss
|
What percent is 3% of 5% ?
Solution |
7
Discuss
|
What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
Solution |
8
Discuss
|
An alloy contains the copper and aluminum in the ratio of 7 : 4 While making the weapons from this alloy, 12% of the alloy got destroyed. If there is 12 kg of aluminum in the weapon, then weight of the alloy required is :
Solution |
9
Discuss
|
A number x is mistakenly divided by 10 instead of being multiplied by 10. what is the percentage error in the result?
Solution |
10
Discuss
|
In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved