Quiz Discussion

What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?

• 1]

  1

• 2]

  14

• 3]

  20

• 4]

  21

A shopkeeper first raises the price of Jewellery by x% then he decreases the new price by x%. After such up down cycle, the price of a Jewellery decreased by Rs. 21025. After a second up down cycle the Jewellery was sold for Rs. 484416. What was the original price of the jewellery.

• 1] Rs. 5,26,000
• 2] Rs. 6,00,625
• 3] Rs. 5,25,625
• 4] Rs. 5,00,000
• 5] None of these

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%

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 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

Vicky's salary is 75% more than Ashu's. Vicky got a raise of 40% on his salary while Ashu got a raise of 25% on his salary. By what percent is Vicky's salary more than Ashu's?

• 1] 96%
• 2] 51.1%
• 3] 90%
• 4] 52.1%

A customer asks for the production of x number of goods. The company produces y number of goods daily. Out of which z% are units for sale. The order will be completed in :

• 1]

    days

• 2]

  days

• 3]

  days

• 4]

  days

• 5]

  Cannot determined

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

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%

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