Question
120 cookies were distributed among 20 students in a
class such that each boy gets 8 cookies and each girl gets 4 cookies. Find the number of boys in the class.Solution
ATQ, Let the number of boys in the class be 'B'. So, the number of girls in the class = (20 - B) (B × 8) + {(20 - B) × 4} = 120 Or, 8B + 80 - 4B = 120 So, 4B = 40 So, 'B' = 40 / 4 = 10 So, number of boys in the class = 10
On 30th December 2020, the Union Minister of Health and Family Welfare Dr Harsh Vardhan was nominated by the Global Alliance for Vaccines and Immunisat...
How many Indian Private Sector Insurance companies are dealing with reinsurance in India?
Which is the correct statement/s about the Top 5 cities of Global Liveability Index for the year 2021?
Which of the following does a Bandicoot refer to?
Who founded the Brahmo Samaj?
Under whose leadership the first land settlement was started by the Gorkhas in Kumaun?
hich company introduced the mobile app Shopsy in July 2021, enabling people in India to start their own online reseller business?
In which state is the Paithan Hydro-electric project located?
Which of the following is NOT a hydroelectric power plant?
Who started the practice of 'sijda' in India?