Quiz Discussion

Last year, the population of a town was x and if it increases at the same rate, next year it will be y. the present population of the town is

• 1]

  

• 2]

  

• 3]

  

   

   

• 4]

  

A number x is mistakenly divided by 10 instead of being multiplied by 10. what is the percentage error in the result?

• 1] -99%
• 2] -100%
• 3] +99%
• 4] +100%

In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?

• 1] 89%
• 2] 97.1%
• 3] 96.1%
• 4] 86.1%
• 5] None of these

In an election between two candidates, one got 55% of total valid votes. 20% of the total votes were invalid. The total number of votes were 7500. How many valid votes did the other person get?

• 1]

  3276

• 2]

  3196

• 3]

  3024

• 4]

  2700

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%

In the Bombay Stock Exchange there are 45% female employees and thus the number of male employees is exceeded by 72. Hence the total no. of employees in the BSE is:

• 1] 540
• 2] 720
• 3] 800
• 4] 550

The length, breadth and height of a room in the shape of a cuboid are increased by 10%, 20% and 50% respectively. Find the percentage change in the volume of the cuboid.

• 1] 77%
• 2] 75%
• 3] 88%
• 4] 98%
• 5] 99%

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

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%

80% of a smaller number is 4 less than 40% of a larger number. The larger number is 85 greater than the smaller one. The sum of these two number is

• 1] 325
• 2] 425
• 3] 235
• 4] 500