Question
In a school, the average number of books that some
numbers of boys have is 100 and average number of books that some numbers of girls have is 70. If each boy have 5 books then the average numbers of books with all the students become 80. The total number of boys is what percentage of the total number of students in that school?Solution
Let the total number of boys be x. and the total number of girls be y. The total number of books boys have = 100x The total number of books the girls have = 70y If each of the boy have 5 books, then the remaining number of books = 100x – 5x = 95x The sum of the all the books = 80(x + y) = 95x + 70y 10y = 15x x : y = 2 : 3 Required % = (2/5) × 100 = 40%
The students eagerly their awaited results.
Those Cricket tournaments were (a) / held at many a place (b) / without any untoward incident. (c) / No error (d)
The concept of ugly 1)/ and beautiful 2)/ are interchangeable 3) /and relative 4) /5)
X. The Exorcist still stands today as the scary film ever made.
1. Children are the more vulnerable (A)/to this menace, but its health (B)/will n...
- This question consists of a sentence which is divided into four parts numbered (1) to (4). Only one part of the sentence is not acceptable in standard writ...
Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The nu...
(A) to ensure economic stability
(B) interest rates may be adjusted
(A) the central bank is monitoring inflation rates,
(i) since
(ii) as
(iii) however
Indore was one of the prominent musical centres in the 18thcentury with huge patronage by the Holkar Court before being replaced from the Awa...
Identify the segment in the sentence that contains a grammatical error-
The village head man attempted to tactful pacify the quarrelling families.
The Chairman and the Managing Director Mr Prabhakar attributed the almost flat performance to higher deposit costs, slower credit off take and stressed ...
