Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1] 250 kg
  • 2] 275 kg
  • 3] 300 kg
  • 4] 266.66 kg
Solution
No Solution Present Yet

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# Quiz
1
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?

  • 1]

    Rs. 200

  • 2]

    Rs. 250

  • 3]

    Rs. 300

  • 4]

    None Of These

Solution
2
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

  • 1] 25%
  • 2] 20%
  • 3] 80%
  • 4] 75%
Solution
3
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
4
Discuss

The population of a city is 35000. On an increase of 6% in the number of men and an increase of 4% in the number of women, the population would become 36760. What was the number of women initially?

  • 1] 18000
  • 2] 19000
  • 3] 17000
  • 4] 20000
Solution
5
Discuss

After three successive equal percentage rise in the salary the sum of 100 rupees turned into 140 rupees and 49 paise. Find the percentage rise in the salary.

  • 1] 12%
  • 2] 22%
  • 3] 66%
  • 4] 82%
  • 5] 77%
Solution
6
Discuss

25% of 25% Is Equal To

  • 1]

    0.0625

  • 2]

    0.0210

  • 3]

    0.03145

  • 4]

    0.3210

Solution
7
Discuss

In the Science City, Kolkata the rate of the ticket is increased by 50% to increased the revenue but simultaneously 20% of the visitor decreased. What is percentage change in the revenue. if it is known that the Science city collects one revenue only from the visitors and it has no other financial supports:

  • 1] +20%
  • 2] -25%
  • 3] +30%
  • 4] -30%
  • 5] Cannot determined
Solution
8
Discuss

the digit at unit place of a two-digit number is increased by 100% and the digit at ten places of the same number is incresed by 50% the new number thus formed is 19 more then the original number. what is the original number?

  • 1]

    22

  • 2]

    63

  • 3]

    24

  • 4]

    None Of These

Solution
9
Discuss

The population of village is 1,00,000. The rate of increase is 10% per annum. Find the population at the start of the third year?

  • 1] 1,33,100
  • 2] 1,21,000
  • 3] 1,18,800
  • 4] 1,20,000
  • 5] None of these
Solution
10
Discuss

The population of a town increased from 175000 to 262500 in a decade. The average percent increase of population per year is?

  • 1]

    33.33%

  • 2]

    5%

  • 3]

    6%

  • 4]

    8.75%

Solution
# Quiz