Disha wants to paint her room a unique brown. For that she uses a certain violet

Question

Disha wants to paint her room a unique brown. For that she uses a certain violet paint which contains

30 %

blue pigment and

70 %

red pigment by weight. She mixes that violet paint with a certain green paint which contains

50 %

blue pigment and

50 %

yellow pigment. When these paints are mixed to produce the brown paint which she uses, it contains

40 %

blue pigment. If the brown paint weighs 10 grams, then the red pigment contributes how many grams of that weight?

Options:

A . 2.8 gms

B . 3.5 gms

C . 4 gms

D . 5.3 gms

Answer: Option B
:
B
Use allegation
Considering only the blue pigment in all the paints

Thus, 5gms of each paint is used .Weight of red paint =

\frac{7}{10} \times 5 = 3.5

gms.Option (b)

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. A hare completes a straight 300-meter downhill run in t seconds and at an average speed of (x + 10) meters per second. T....average speed, in meters per second, during its downhill run?

Question 2. A square field has length of 4 meter. On the one corner of the square, a cow is tied with the rope length of 5 meter. Th....5 meter. The maximum area, cow can graze is ___ m2 (Approximately)

Question 3. For what values of x will the following inequality hold true 3|a−1|+a2−7>0 ?....

Question 4. There are 170 people each one of them likes at least one of the fruits, 60 like grapes, 40 like papaya, 50 like watermel....the maximum number of people who like only watermelon: -

Question 5. If Y is a prime number greater than 10000 and it leaves a remainder of 2 when divided by 3, then what remainder does Y l....then what remainder does Y leave on division by 6? ___

Question 6. There are 300 people in a locality. Every person in the locality reads 5 different magazines and every magazine is read ....read by 60 people. How many different magazines are there?

Question 7. If a,b,c are in Geometric Progression, then the equation ax2−2bx+c=0 and dx2−2ex+f=0 have a common root if....and dx2−2ex+f=0 have a common root if da,eb,fc are in?

Question 8. The greatest perfect square less than 20000 which is divisible by each of 2,5,7 and 8 is :___....

Question 9. An eight digit number divisible by 9 is to be formed by using 8 digits out of the digits 0,1,2,3,4,5,6,7,8,9 withou....without replacement. The number of ways in which can be done is

Question 10. Suppose f(x)=(x+1)2 for x≥1. If g(x) is the function whose graph is reflection of the graph of f(....f(x) with respect to the line y = x, then g(x) equals:

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0