Out of the total production of iron from hematite, an ore of Iron, 20% of the ore gets wasted, and out of the remaining iron, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
The employer reduces the number of employees in the ratio 9: 8 and increases their wages in the ratio 14: 15 If the previous wage bill was Rs 189000 what is the amount by which the new wage bill will increase or decrease?
Solution |
2
Discuss
|
The average weight of a class of students is 67.5 kg. The weight of the class teacher is 25% more than the average weight of the class. The average weight of the class is less than the class teacher by x%. The value of x is:
Solution |
3
Discuss
|
A clock is set right at 12 noon on Monday. It losses 1/2 % on the correct time in the first week but gains 1/4 % on the true time during the second week. The time shown on Monday after two weeks will be
Solution |
4
Discuss
|
An inspector rejects 0.08% of the meters as defective. How many will he examine to reject 2?
Solution |
5
Discuss
|
An ore contains 25% of an alloy that has 90% iron. Other than this, in the remaining 75% of the ore, there is no iron. How many kilograms of the ore are needed to obtain 60 kg of pure iron?
Solution |
6
Discuss
|
The cost of a car is 400% greater than the cost of a bike. If there is an increase in the cost of the car is 15% and that of bike 20%. Then the total increase in the cost of the 5 cars and 10 bikes is:
Solution |
7
Discuss
|
220% of a number X is 44. What is 44% of X.
Solution |
8
Discuss
|
A customer asks for the production of x number of goods. The company produces y number of goods daily. Out of which z% are units for sale. The order will be completed in :
Solution |
9
Discuss
|
The length, breadth and height of a room are in ratio 3:2:1. If breadth and height are halved while the length is doubled, then the total area of the four walls of the room will
Solution |
10
Discuss
|
The price of the sugar rise by 25%. If a family wants to keep their expenses on sugar the same as earlier, the family will have to decrease its consumption of sugar by
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved