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Question : The angle of elevation of the top of a tower from a point on the ground is 30° and moving 70 m towards the tower it becomes 60°. The height of the tower is:

Option 1: $10$ m

Option 2: $\frac{10}{\sqrt{3}}$ m

Option 3: $10\sqrt{3}$ m

Option 4: $35\sqrt{3}$ m

Team Careers360 19th Jan, 2024

Correct Answer: $35\sqrt{3}$ m


Solution :
Let $AB$ be the tower and $C$ and $D$ be the point of observation.
$AB = h$ and CD = 70 m
In $\triangle ABD$,
$\frac{AB}{BD}=\tan$ 60°
⇒ $\frac{AB}{BD}=\sqrt3$
⇒ $BD = \frac{AB}{\sqrt3}$
⇒ $BD=\frac{h}{\sqrt3}$
In $\triangle ABC$,
$\frac{AB}{BC}= \tan$ 30°
⇒ $\frac{AB}{BC}= \frac{1}{\sqrt3}$

10 Views

Question : The process of buying and selling securities on the same day is known as:

Option 1: Arbitrage
  

Option 2: Short selling
 

Option 3: Dividend reinvestment

    

Option 4: Options trading

Team Careers360 20th Jan, 2024

Correct Answer: Arbitrage
  


Solution : The correct answer is (a) Arbitrage.

The process of buying and selling securities on the same day is known as arbitrage. Arbitrage is a trading strategy where traders take advantage of price discrepancies between different markets or securities to make a profit with minimal risk.

28 Views

there is a jee aspirants guy who gave class 12th in 2022 but didnt get 75% then he filled up improvement form , exam takes place in 2023 and again he didnt get 75% now he is going to sit in nios on demand examination in 2024. if he gets 75% in this exam can he sit in jee mains?and in jee advance

Hritik.maheshwari 21st Feb, 2024

Yes as per the Information Bulletin by NTA. Senior Secondary School Examination conducted by the National Institute of Open Schooling with a minimum of five subjects. will be eligible to write an exam for JEE Mains.

But to sit for JEE Advanced exam, only top 2.5 lakhs students will get

22 Views

Is up sanik school good for education?

Tanya Gupta 5th Jan, 2024

Hello,

Sainik schools are considered among the best educational institutions in India. The UP Sainik School was set up to provide highly subsidized quality education to selected students with the help of military officers, teachers and to make it functional as a nursery and a main institute for the future

12 Views

if we sum up all money for medical courses like from neet to Md And Ms how much money will be required in government and private both . i am form general category and also plz tell me how much marks are required for ews neet 2024-25 and plz elaborate your suggest

mjaisinghani62 10th Jan, 2024

Hello aspirant

Talking about how many marks you need in Neet depends upon which course you wish to do .

For qualifying neet you must need 50 percentile as you are from general category . For sc and st category it is 40 percentile  and for pwd , ebc  it

7 Views

Question : How has economic globalisation impacted developing countries?  

 

Option 1: Increased isolation from global markets  

Option 2: Decreased foreign investment  

Option 3: Increased access to technology  

Option 4: All of the above

Team Careers360 17th Jan, 2024

Correct Answer: Increased access to technology  


Solution : Economic globalization has generally increased developing countries' access to technology, capital, and global markets, although the impact can vary.

222 Views

Before marriage in all my certificates my name written as Anushri Sarkar. but after marriage in my aadhar card the updated name is Anushri Sarkar Mandal. now the problem is while filling up for govt job what should I write??? according to admit card of Madhyamik Or according to aadhar card??

Tanya Gupta 16th Jan, 2024

Hello,

When filling out the form for a government job, it is  generally recommended to go with the name on your Aadhar card, as it is an official government document. However, it is always a better idea to double-check the specific instructions or guidelines provided by the organization conducting the

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