English

Find the value of x if 35% of ₹ x is ₹ 280. - Mathematics

Advertisements
Advertisements

Question

Find the value of x if 35% of ₹ x is ₹ 280.

Sum
Advertisements

Solution

Given, 35% of ₹ x is ₹ 280.

∴ `35/100 xx x = 280`

⇒ `x = (280 xx 100)/35`

⇒ x = ₹ 800

shaalaa.com
  Is there an error in this question or solution?
Chapter 7: Comparing Quantities - Exercise [Page 205]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 7
Chapter 7 Comparing Quantities
Exercise | Q 80. (iii) | Page 205

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Find: 2.7 is what percent of 18?


A number decreased by 23 % becomes 539. Find the number.


What percent is: 40 paisa of Rs. 2?


Find the value of 10% of Rs. 400.40


Find the value of `12 1/2 %` of 80 kg


Express the first quantity as a percent of the second:

40 P, ₹ 2


Mr. Singh’s monthly salary is ₹ 15,000. This month he was promoted with an increment of ₹ 3,000 in his salary. Express his increment as a percent of his original salary.


An average urban Indian uses about 150 litres of water every day.

Activity Litres per person per day
Drinking 3
Cooking 4
Bathing 20
Sanitation 40
Washing clothes 40
Washing utensils 20
Gardening 23
Total 150

How much less per cent of water is used for cooking in comparison to that used for bathing?


In Delhi University, in the year 2009 – 10,49,000 seats were available for admission to various courses at graduation level. Out of these 28,200 seats were for the students of General Category while 7,400 seats were reserved for SC and 3,700 seats for ST. Find the percentage of seats available for students of SC Category and ST Category taken together.


The food labels given below give information about 2 types of soup: cream of tomato and sweet corn. Use these labels to answer the given questions. (All the servings are based on a 2000 calorie diet.)

Cream of Tomato
Nutrition Facts
Serving Size 1 cup (240ml)
About 2 serving per Container
Amount Per Serving  
Calories 100 Calories from Fat 20
  % Daily Value*
Total Fat 2g 3%
Saturated Fat-1.5g 6%
Cholesterol 10mg 3%
Sodium 690mg 29%
Total Carbohydrate 17g 6%
Dietary Fibre 4 gram 18%
Sugar 11g  
Protein 2g  
Vitamin A 20% Vitamin C 20%
Calcium 0% Iron 8%
*Per cent Daily Values are based on a 2,000 calorie diet.

One serving of cream of tomato soup contains 29% of the recommended daily value of sodium for a 2000 calorie diet. What is the recommended daily value of sodium in milligrams? Express the answer upto 2 decimal places.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×