Question
A contractor decided to complete the work in 15 days and
employed 20 men at the beginning and 40 men additionally after 10 days and got the work completed as per schedule. If he had not employed the additional men, how many extra days would he have needed to complete the work?Solution
If he had not employed the additional men, then let work completes in T days. So as by chain rule, Men × time = constant So, 20 × 10 + (20+40) × 5 = 20 × T 200 + 300 = 20T T = 500/20 = 25 days So work delayed for = 25 - 15 = 10 days.
What type of measure is financial performance considered to be?
Where did Muhammad Bin Tughlaq shift his capital to from Delhi?
When was the first general election held in India? Â
Geoid is the ________ of earth.
Which among the following is the tallest tree species in the world?
What is the byproduct of the reaction between Potassium and Alcohol?Â
Kathakali, one of the classical dances of India, is predominantly performed in which of the following states of India?
What is the main function of a firewall in network security?
What is the default alignment of numbers in an Excel worksheet?
The first English factory was set up on the banks of the river ______ in 1651.
