Quiz Discussion

30% of a number when subtracted from 91, gives the number itself. Find the number.

• 1] 60
• 2] 65
• 3] 75
• 4] 70
• 5] None of these

From 2000 onwards, till 2003 the price of computers increased every year by 10%. After that due to government subsidy the price of computers decreases every year by 10%. The price of a computer in 2006 will be approx. how much per cent less than the price in 2000 if the same pattern of price is continued :

• 1] 2
• 2] 3
• 3] 4
• 4] 5

Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?

• 1]

  Rs. 15

• 2]

  Rs. 15.70

• 3]

  Rs. 19.70

• 4]

  Rs. 20

Population of a town increase 2.5% annually but is decreased by 0.5% every year due to migration. What will be the percentage increase in 2 years?

• 1] 5%
• 2] 4.04%
• 3] 4%
• 4] 3.96%

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

The shopkeeper increased the price of a product by 25% so that customer finds difficult to purchase the required amount. But Somehow the customer managed to purchase only 70% of the required amount. What is the net difference in the expenditure on that product ?

• 1] 55 more
• 2] 10% more
• 3] 12.5% less
• 4] 17.5% less
• 5] None of these

Out of the total production of iron from hematite, an ore of Iron, 20% of the ore gets wasted, and out of the remaining iron, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is

• 1] 5,00,000 kg
• 2] 4,00,000 kg
• 3] 4,50,000 kg
• 4] None of these

If 25% of a number is subtracted from a second number the second number reduce to its five-sixth What is the ratio of the first number to the second number?

• 1]

  1:3

• 2]

  2:3

• 3]

  3:2

• 4]

  Data Inadequate

What is 15 percent of Rs. 34.? 

• 1]

  Rs 3.40

• 2]

  Rs 3.75

• 3]

  Rs 4.5

• 4]

  Rs 5.1

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