Quiz Discussion

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

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%

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

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%

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

In an office in Singapore there are 60% female employees. 50 % of all the male employees are computer literate. If there are total 62% employees computer literate out of total 1600 employees, then the no. of female employees who are computer literate ?

• 1] 690
• 2] 674
• 3] 672
• 4] 960

What is 15 percent of Rs. 34.? 

• 1]

  Rs 3.40

• 2]

  Rs 3.75

• 3]

  Rs 4.5

• 4]

  Rs 5.1

The price of a car depreciates in the first year by 25% in the second year by 20% in third year by 15% and so on. The final price of the car after 3 years, if the present cost of the car is Rs. 10,00,000 :

• 1] 7,80,000
• 2] 1,70,000
• 3] 6,90,000
• 4] 5,10,000

If a 36 inches long strip cloth shrinks to 33 inches after being washed, how many inches long will the same strip remain after washing if it were 48 inches long?

• 1] 47 inches
• 2] 44 inches
• 3] 45 inches
• 4] 46 inches

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%