Question
The total number of students in class A and B is 72. The
number of students in A is 40% more than that in B. The average marks of students in B are 50% more than that of students in A. If the average marks of all the students in A and Bare 58, then what are the average marks of students in A?Solution
Let the number of students in class B is x then the number of students in class A will be = 1.4x Let the average marks of students in class A is y then the average marks of students in class B will be = 1.5y Now given, average of both the class is 58. Thus, (1.4x × y + x ×1.5y)/(x+1.4x) =58 1.4y +1.5y =58×2.4 y = (58×2.4)/2.9 =48.
In the given sentence, three words are marked as (A), (B), and (C). These words may or may not be placed in their right places. Four options with diffe...
In each of the following question, a sentence is given with four words marked as (A), (B), (C) and (D). These words may or maybe not placed at their co...
- In each of the questions given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then foll...
The conference is to be starting at 09:30 a.m. with the introductory speech by the minister.
Congregating (A) to concerns regarding choose (B) of food and water as well as owing (C) in large numbers, the authorities said that some schools might...
- In the question given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then followed by o...
In the question below, two sentences are given and each of them consists of two words highlighted in bold. The words may be incorrectly placed and need...
In response, the unions called off the mass memorial service that was originally scheduled last year.
In the questions given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then followed...
In the question given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then followed...
