Quiz Discussion

Each side of a rectangular field diminished by 40%. By how much per cent is the area of the field diminished?

• 1] 32%
• 2] 64%
• 3] 25%
• 4] 16%

In an election a candidate who gets 84% of the votes is elected by a majority of 476 votes. What is the total number of votes polled?

• 1]

  672

• 2]

  700

• 3]

  749

• 4]

  848

Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?

• 1] Rs. 8000
• 2] Rs. 7000
• 3] Rs. 9000
• 4] Rs. 6000

A and B are two fixed points 5 cm apart and C is a point on AB such that AC is 3cm. if the length of AC is increased by 6%, the length of CB is decreased by

• 1] 6%
• 2] 7%
• 3] 8%
• 4] 9%

A man spends 35% of his income on food, 25% on children's education and 80% of the remaining on house rent. What percent of his income he is left with ? 

• 1]

  8%

• 2]

  10%

• 3]

  12%

• 4]

  14%

Half percent, written as a decimal, is

• 1] 0.2
• 2] 0.02
• 3] 0.005
• 4] 0.05

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

The cost of an article was Rs.75. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the article is:

• 1] Rs. 72
• 2] Rs. 60
• 3] Rs. 75
• 4] Rs. 76

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

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%