Math exam questions and answers for grade 10 Lai Chau province 2025

(Dan Tri) - The 10th grade math entrance exam for Lai Chau province in 2025 consists of 6 questions with a time limit of 120 minutes.

This morning, the 10th grade public exam in Lai Chau province for general students ended with the math test.

The math test consists of 6 questions. Of these, the geometry question is worth 3/10 points.

Notably, the 0.5-point classification question is a real-world business problem that requires students to find ways to maximize the profits of a tour .

The question is as follows: "A travel company plans to organize a cross-Vietnam tour to celebrate the Liberation Day of the South on April 30. The company plans that if the tour price is 2 million VND, there will be 200 participants. To attract more participants, the company will decide to reduce the price and for each reduction of 100,000 VND/tour, there will be 20 more participants. Ask how much the company must reduce the tour price to maximize the revenue from the cross-Vietnam tour?".

Grade 10 Math Exam for Lai Chau Province in 2025 (Source: Tuyensinh247).

Here are suggested answers from Tuyensinh247:

Source: https://dantri.com.vn/giao-duc/de-thi-va-dap-an-mon-toan-thi-lop-10-tinh-lai-chau-2025-20250527120344327.htm