Question
18 skilled workers can complete a task in 12 days while
24 semi-skilled workers need 15 days to complete the same task. 12 skilled workers started the task but 3 of them left after a few days. How many semi-skilled workers should replace the 3 skilled ones who left so that the task can be completed in the stipulated time?Solution
Let the skilled workers =a and semi-skilled workers=b 18a ×12 =24b ×15 3a =5b 3 skilled workers =5 semi-skilled workers. Therefore, we can say that in place of 3 skilled workers, 5 semi workers can come.
Select the word that can be formed using the letters of the given word only as many times as the letters have been used in the word.
A L B C I...
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter-cluster.
From the given option figures, select the one in which the question figure is hidden/embedded. (Rotation is NOT allowed)
A @ B means A is the sister of B:
A # B means A is the father of B:
A & B means B is the wife of A.
Based on the above information,...
In a certain code language,
(i) ‘agnoscrenia’ means poisonous spider’
(ii) ‘delanocrenia’ means poisonous snake’
(iii) ...
Three of the following four options are alike in a certain way and thus form a group. Which is the option that does NOT belong to that group?
(NO...
Select the letter-cluster from among the given option that can replace the question mark (?) in the following series.
JQMN, NMQJ, ? , VEYB, ZAC...
Select the appropriate picture next to the series from the given options.
How many triangles are there in the given figure?
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
Relevant for Exams:
