Question
10 machines can produce 25 items in 5 hours. How long will
8 machines take to produce 40 items?Solution
ATQ,
Let the efficiency of each machine be 'x' items per hour
Let the required time be 't' hours
Therefore, (10x × 5) / 25 = (8x × t) / 40
Or, t = (10x × 5 × 40) / (8x × 25) = 10
Required time = 10 hours
The average marks of the students of a class in a particular exam is 80. If 5 students whose average marks in that exam is 40 are excluded, the average ...
Consider the following statements:
1. Part 'B' of the Budget speech of the finance minister includes description of the initiatives on economi...
Who started the Saka Era and when?
 What is the median of the following set of numbers:Â
2, 3, 5, 7, 10, 15, 20?
Which of the following statements are not correct in regards to article 75 in the Constitution Of India 1949?
-
The speed of a train is 90 km/hr and it takes 15 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of ...
-
Four letter-clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.
Anil and Ashish receive Rs.2100 for work of 7 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
One – third of the square root of which number is 0.001?
In Jainism, ‘Kaivalya’ means:
Relevant for Exams:
