Quiz Discussion

The ratio 5 : 4 expressed as a percent equals :

• 1]

  12.5 %

• 2]

  40 %

• 3]

  80 %

• 4]

  125 %

If salary of X is 20% more than salary of Y, then by how much percentage is salary of Y less than X?

• 1]

  25

• 2]

  23

• 3]

  50/3

• 4]

  65/4

The square of a positive number is 2000% greater than the number itself, then the square of that number is :

• 1] 1762
• 2] 1635
• 3] 441
• 4] 139

A clock is set right at 12 noon on Monday. It losses 1/2 % on the correct time in the first week but gains 1/4 % on the true time during the second week. The time shown on Monday after two weeks will be

• 1] 12 : 25 : 12
• 2] 11 : 34 : 48
• 3] 12 : 50 : 24
• 4] 12 : 24 : 16
• 5] None of these

What percent is 3% of 5% ?

• 1]

  60%

• 2]

  15%

• 3]

  50%

• 4]

  30%

Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?

• 1]

  Rs. 200

• 2]

  Rs. 250

• 3]

  Rs. 300

• 4]

  None Of These

In a laboratory experiment, a sample of air which is a mixture of oxygen and water vapour is taken. Water vapour, contains hydrogen and oxygen gases. If air contains a total of 70% oxygen (including that contained in the water vapour) by weight while water vapour contains 16.66% of oxygen by weight, how many kilograms of water vapour is present in 1 kilogram of air?

• 1]

  0.20

• 2]

  0.36

• 3]

  0.32

• 4]

  0.25

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%

In the Science City, Kolkata the rate of the ticket is increased by 50% to increased the revenue but simultaneously 20% of the visitor decreased. What is percentage change in the revenue. if it is known that the Science city collects one revenue only from the visitors and it has no other financial supports:

• 1] +20%
• 2] -25%
• 3] +30%
• 4] -30%
• 5] Cannot determined

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%