Quiz Discussion

The ratio 5 : 4 expressed as a percent equals :

• 1]

  12.5 %

• 2]

  40 %

• 3]

  80 %

• 4]

  125 %

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

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

(X% of Y) + (Y% of X) is equal to:

• 1] X% of Y
• 2] 20% of XY
• 3] 2% of XY
• 4] 2% of 100 XY

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 :

• 1] 14.4 kg
• 2] 37.5 kg
• 3] 40 kg
• 4] 48 kg

A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs. 600 from the people already solicited. The people already solicited represent 60% of the people, the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people be solicited?

• 1] 300
• 2] 250
• 3] 400
• 4] 500

If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or decrease in expenditure on the commodity?

• 1] 4% increase
• 2] 4% decrease
• 3] 8% increase
• 4] 8% decrease

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

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

P is 6 times greater than Q then by what per cent is Q smaller than P?

• 1] 84%
• 2] 85.5%
• 3] 80%
• 4] 83.33%