Question
In a class, the number of students studying English and
Math is in the ratio 3:4. If 12 additional students join the Math group, the ratio of students studying English to those studying Math changes to 3:5. What was the initial number of students in the English group?Solution
Initial ratio of the students studying English and Math = 3: 4 After joining of 12 students of math group ratio becomes = 3: 5 Student of English group remains unchanged, 5x-4x = 12 x = 12 students in English group = 3x = 36
Which gas is mainly responsible for the greenhouse effect leading to global warming, when considering both concentration and impact?
Which of the following is an example of a chemical change?
In Young’s double-slit experiment, dark fringes on the screen occur where:
The amount of water vapors differs from place to place. Its amount is minimum in which of the following places?
Which of these is not a function of the liver?
The SI unit of work is:
Sound waves in air are:
Passion fruit and pomegranate are rich in which mineral?
Which of the following organs is capable of removing unused or damaged platelets?
The primary function of the cerebrospinal fluid is to:
Relevant for Exams:
