Question
A and B together do a job in 12 days. A alone does it in
20 days. How many days for B alone?Solution
ATQ, 1/12 – 1/20 = (5 – 3)/60 = 1/30 B = 30 days
More Time and work Questions
What is the primary component of a plant cell's wall?
Thallophyta, which includes simple plant forms like algae and lichens, belongs to which kingdom?
How many pairs of ribs are typically present in the human body?
Which new genus of jumping spiders, discovered in South India, was named in October 2024?
Cell was discovered by
Which of the following is the smallest bone in the human body?
Which of the following hormone used as the medication to facilitate childbirth?
Which hormone regulates the amount of sugar in human blood?
Which part of the human brain is located above the medulla and below the midbrain?
Study of Bones is known as
