Quiz Discussion

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 :

Course Name: Quantitative Aptitude

  • 1] 14.4 kg
  • 2] 37.5 kg
  • 3] 40 kg
  • 4] 48 kg
Solution
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# Quiz
1
Discuss

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

 

  • 1] 5,00,000 kg
  • 2] 4,00,000 kg
  • 3] 4,50,000 kg
  • 4] None of these
Solution
2
Discuss

Vicky's salary is 75% more than Ashu's. Vicky got a raise of 40% on his salary while Ashu got a raise of 25% on his salary. By what percent is Vicky's salary more than Ashu's?

  • 1] 96%
  • 2] 51.1%
  • 3] 90%
  • 4] 52.1%
Solution
3
Discuss

A company has 12 machines of equal efficiency in its factory. The annual manufacturing expenses are Rs. 24,000 and the establishment charges are Rs. 10,000. The annual output of the company is Rs. 48,000. The annual output and manufacturing costs are directly proportional to the no. of machines while the share holders get the 10% profit, which is directly proportional to the annual output of the company. If 8.33% of machines remained close throughout the year. Then the percentage decrease in the amount of share holders is :

  • 1] 14.28%
  • 2] 11.11%
  • 3] 16.66%
  • 4] 8.33%
  • 5] None of these
Solution
4
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?

  • 1]

    Rs 21000

  • 2]

    Rs 10000

  • 3]

    Rs 9000

  • 4]

    Rs 25000

Solution
5
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?

  • 1] 28%
  • 2] 17%
  • 3] 27%
  • 4] 24%
  • 5] Cannot determined
Solution
6
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?

  • 1] 77%
  • 2] 73%
  • 3] 79%
  • 4] 83%
Solution
7
Discuss

The shopkeeper increased the price of a product by 25% so that customer finds difficult to purchase the required amount. But Somehow the customer managed to purchase only 70% of the required amount. What is the net difference in the expenditure on that product ?

  • 1] 55 more
  • 2] 10% more
  • 3] 12.5% less
  • 4] 17.5% less
  • 5] None of these
Solution
8
Discuss

Connie has a number of gold bars, all of different weights. She gives the 24 lightest bars, which weigh 45% of the total weight, to Brennan. She gives the 13 heaviest bars, which weigh 26% of the total weight, to Maya. She gives the rest of the bars to Blair. How many bars did Blair receive?

  • 1] 14
  • 2] 15
  • 3] 16
  • 4] 17
  • 5] 18
Solution
9
Discuss

If salary of X is 20% more than salary of Y, then by how much percentage is salary of Y less than X?

  • 1]

    25

  • 2]

    23

  • 3]

    50/3

  • 4]

    65/4

Solution
10
Discuss

The cost of packaging of the mangoes is 40% the cost of fresh mangoes themselves. The cost of mangoes increased by 30% but the cost of packaging decreased by 50%, then the percentage change of the cost of packed mangoes, if the cost of packed mangoes is equal to the sum of the cost of fresh mangoes and cost of packaging :

  • 1] 14.17%
  • 2] 7.14%
  • 3] 8.87%
  • 4] 6.66%
Solution
# Quiz