English

Find the Value of the Following: 15% of 2 Minutes - Mathematics

Advertisements
Advertisements

Question

Find the value of the following:

15% of 2 minutes

Sum
Advertisements

Solution

15% of 2 minutes = `15/100%2` minutes

= `30/100` minutes

= 0.3 minutes

= 0.3 × 60 = 18 seconds

shaalaa.com
  Is there an error in this question or solution?
Chapter 16: Percent (Percentage) - Exercise 16 (B)

APPEARS IN

Selina Mathematics [English] Class 6
Chapter 16 Percent (Percentage)
Exercise 16 (B) | Q 3.3

RELATED QUESTIONS

Asha got 86.875% marks in the annual examination. If she got 695 marks, find the total number of marks of the examination.

 

Express the following as percent: 0.25


What percent is: 25 cm of 4 metres


The price of a scooter was ₹ 8000 in 1975. It came down to ₹ 6000 in 1980. By what percent had the price of the scooter came down?


Find the resulting quantity when a speed of 600 km/h is increased by `12 1/2%`


Air is an important inexhaustible natural resource. It is essential for the survival of human beings, microbes, plants, and animals. The following table shows the percentage of various gases in the air.

Contents of air Percentage (by volume)
Nitrogen 78
Oxygen 21
Other (carbon dioxide, inert gases, water vapours, etc.) 1

If a certain quantity (by volume) of air contains 4,200 litres of oxygen, find the total quantity of air taken and the amount of nitrogen in it.


Sunscreens block harmful ultraviolet (UV) rays produced by the sun. Each sunscreen has a Sun Protection Factor (SPF) that tells you how many minutes you can stay in the sun before you receive one minute of burning UV rays. For example, if you apply sunscreen with SPF 15, you get 1 minute of UV rays for every 15 minutes you stay in the sun.

A sunscreen with SPF 15 allows only `1/15` of the sun’s UV rays. What per cent of UV rays does the sunscreen abort?


Find the value of x if 8% of ₹ x is ₹ 100.


What per cent of 1 km is 1000 metres?


The pieces of Tangrams have been rearranged to make the given shape.


By observing the given shape, answer the following questions:

  • What percentage of total has been coloured?
  1. Red (R) = ______
  2. Blue (B) = ______
  3. Green (G) = ______
  • Check that the sum of all the percentages calculated above should be 100.
  • If we rearrange the same pieces to form some other shape, will the percentage of colours change?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×