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In an examination, the ratio of passes to failures was 4: 1. If 30 less had appeared and 20 less passed, the ratio of passes to failures would have been 5: 1. How many students appeared for the examination

It is a question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication In this ques we have been given the ratio of the passes to failures is given and their ratio gets changed if their number gets ...

Use a graph paper for this question. The graph of a linear equation in x and y, passes through A (– 1, – 1) and B (2, 5). From your graph, find the values of h and k, if the line passes through (h, 4) and 1/2, k).

This question is Based on Equation of a Straight Line Chapter of M.L Aggarwal book for ICSE BOARD for class 10. Here you have to use graph paper for this question The graph of a linear equation in x and ...

A shopkeeper buys a certain number of books for Rs 960. If the cost per book was Rs 8 less, the number of books that could be bought for Rs 960 would be 4 more. Taking the original cost of each book to be Rs x, write an equation in x and solve it to find the original cost of each book.

This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise 5.5 This is an important ques in 2013 exam. A shopkeeper buys a certain number of books for Rs 960. If ...