CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic

CBSE Class 10 Sample Paper for 2020 Boards - Maths Standard →
Maths Class 10
Solutions of Sample Papers for Class 10 Boards

Question 34 (Choice 2) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at August 14, 2026 by

A 1.2m tall girl spots a balloon moving with the wind in a horizontal line at a height 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°.After sometime, the angle of elevation reduces 30°.Find the distance travelled by the balloon during the interval.

 

Question 34 (Choice 2) - CBSE Class 10 Sample Paper for 2021 Boards -

 

This question is exactly same as Ex 9.1, 14 of Chapter 9 Class 10 in the NCERT Book.

Please check the answer and video here

https://www.teachoo.com/1814/535/Ex-9.1--14---A-1.2-m-tall-girl-spots-a-balloon-moving-with-wind/category/Ex-9.1/

Remove Ads
Teachoo · Class 10 Explore Class 10

Transcript

Question 34 (Choice - 2) A 1.2m tall girl spots a balloon moving with the wind in a horizontal line at a height 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°.After sometime, the angle of elevation reduces 30°.Find the distance travelled by the balloon during the interval.

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.