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

Ram spends 30% of his salary on house rent, 30% of the rest he spends on his children's education and 24% of the total salary he spends on clothes. After his expenditure, he is left with Rs. 2500. What is Ram's salary?

  • 1] Rs. 11,494.25
  • 2] Rs. 20,000
  • 3] Rs. 10,000
  • 4] Rs. 15,000
Solution
2
Discuss

A shopkeeper first raises the price of Jewellery by x% then he decreases the new price by x%. After such up down cycle, the price of a Jewellery decreased by Rs. 21025. After a second up down cycle the Jewellery was sold for Rs. 484416. What was the original price of the jewellery.

  • 1] Rs. 5,26,000
  • 2] Rs. 6,00,625
  • 3] Rs. 5,25,625
  • 4] Rs. 5,00,000
  • 5] None of these
Solution
3
Discuss

The population of a town increases every year by 4%. If its present population is 50,000, then after 2 years it will be

  • 1] 53,900
  • 2] 54,000
  • 3] 54,080
  • 4] 54,900
Solution
4
Discuss

In an examination 80% candidates passed in English and 85% candidates passed in Mathematics. If 73% candidates passed in both these subjects, then what per cent of candidates failed in both the subjects?

  • 1] 8
  • 2] 15
  • 3] 27
  • 4] 35
Solution
5
Discuss

The price of rice falls by 20%. How much rice can be bought now with the money that was sufficient to buy 20 kg of rice previously?

  • 1] 5 kg
  • 2] 15 kg
  • 3] 25 kg
  • 4] 30 kg
Solution
6
Discuss

A student appeared in the Mock CAT. The test paper contained 3 sections namely QA, DI and VA. The percentage marks in all VA was equal to the average of percentage marks in all the 3 sections. Coincidentally, if we reverse the digit of the percentage marks of QA we get the percentage marks of DI. The percentage marks in VA scored by student could be:

  • 1] 81
  • 2] 48
  • 3] 66
  • 4] 69
  • 5] None of these
Solution
7
Discuss

A shepherd had n goats in the year 2000. In 2001 the no. of goats increased by 40%. In 2002 the no. of goats declined to 70%. In 2003 the no. of goats grew up 30%. In 2004, he sold 10% goats and then he had only 34,398 goats. The percentage increase of the no. of goats in this duration was :

  • 1] 16.66%
  • 2] 14.66%
  • 3] 11.33%
  • 4] 20%
Solution
8
Discuss

A fraction in reduced form is such that when it is squared and then its numerator is reduced by 33 1/3 % and denominator is reduced to 20%, its result is twice the original fraction. The sum of numerator and denominator is:

 

  • 1] 8
  • 2] 13
  • 3] 17
  • 4] 15
  • 5] None of these
Solution
9
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
10
Discuss

In an examination, questions were asked in five sections. Out of the total students, 5% candidates cleared the cut-off in all the sections and 5% cleared none. Of the rest, 25% cleared only one section and 20% cleared four sections. If 24.5% of the entire candidates cleared two sections and 300 candidates cleared three sections. Find out how many candidates appeared at the examination?

  • 1] 1000
  • 2] 1200
  • 3] 1500
  • 4] 2000
  • 5] 1800
Solution
# Quiz