Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1]

    22

  • 2]

    63

  • 3]

    24

  • 4]

    None Of These

Solution
No Solution Present Yet

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# Quiz
1
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?

  • 1]

    150

  • 2]

    200

  • 3]

    300

  • 4]

    None Of These

Solution
2
Discuss

The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

  • 1]

    4.37%

  • 2]

    5%

  • 3]

    6%

  • 4]

    8.75%

Solution
3
Discuss

An inspector rejects 0.08% of the meters as defective. How many will he examine to reject 2?

  • 1]

    2000

  • 2]

    2200

  • 3]

    2500

  • 4]

    2800

Solution
4
Discuss

In a laboratory experiment, a sample of air which is a mixture of oxygen and water vapour is taken. Water vapour, contains hydrogen and oxygen gases. If air contains a total of 70% oxygen (including that contained in the water vapour) by weight while water vapour contains 16.66% of oxygen by weight, how many kilograms of water vapour is present in 1 kilogram of air?

  • 1]

    0.20

  • 2]

    0.36

  • 3]

    0.32

  • 4]

    0.25

Solution
5
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
6
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
7
Discuss

At the beginning of a year ,the owner of a jewel shop raised the price of all the jewels in his shop by x% and lowered them by x%. The price of one jewel after this up and down cycle reduced by Rs. 100. The owner carried out the same procedure after a month. After this second up-down cycle,the price of that jewel was Rs. 2304. Find the original price of that jewel(in Rs.)

  • 1] 2500
  • 2] 2550
  • 3] 2600
  • 4] 2650
  • 5] None of these
Solution
8
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:

  • 1] 33.335
  • 2] 25%
  • 3] 20%
  • 4] 22%
Solution
9
Discuss

Every day a mango seller sells half his stock, 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did hi start with on the first day ?

  • 1] 25,000
  • 2] 24,000
  • 3] 30,000
  • 4] 32,000
  • 5] None of these
Solution
10
Discuss

In an election between two candidates, the winner got 65% of the total votes cast and won the election by a majority of 2748 votes. What is the total number of votes cast if no vote is declared invalid?

  • 1] 8580
  • 2] 8720
  • 3] 9000
  • 4] 9160
Solution
# Quiz