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Question : If in a $\triangle$ABC, D and E are on the sides AB and AC, such that, DE is parallel to BC and $\frac{AD}{BD}$ = $\frac{3}{5}$. If AC = 4 cm, then AE is:

Option 1: 1.5 cm

Option 2: 2.0 cm

Option 3: 1.8 cm

Option 4: 2.4 cm

Team Careers360 15th Jan, 2024

Correct Answer: 1.5 cm


Solution :
Given: $\frac{AD}{BD}$ = $\frac{3}{5}$
In $\triangle$ABC and $\triangle$DBE,
$\angle$BAC = $\angle$DAE (same angle)
$\angle$ADE = $\angle$ABC (corresponding angles)
$\angle$AED = $\angle$ACB (corresponding angles)
By AAA similarity, $\triangle$ABC ~ $\triangle$ADE
⇒ $\frac{AD}{AB}$ = $\frac{AD}{AD+BD}$ = $\frac{3}{3+5}$ = $\frac{3}{8}$
Now, $\frac{AD}{AB}$ = $\frac{AE}{AC}$
⇒ $\frac{3}{8}$ =

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Question : Directions: Which number will appear at the bottom face in the last cube?

Option 1: 3

Option 2: 4

Option 3: 6

Option 4: 1

Team Careers360 15th Jan, 2024

Correct Answer: 6


Solution : The bottom face in the last cube is the face opposite to 4.
Taking dice positions 2 and 3 with 4 as the common face,

Moving clockwise from the common face with 4,


Pairs of opposite faces –


So, the bottom face in the last

448 Views

can a commerce student with graduation in bcom join as permanent commission officer in indian navy? under logistics?

Tanya Gupta 11th Jan, 2024

Hello,


Yes, Commerce students with a B.com degree can join the Indian Navy as Permanent Commission Officers under the Logistics branch. The Logistics branch of the Indian Navy provides very crucial support in areas like supply chain management, financial management, human resource, etc. In order to join as a Permanent

23 Views

I am bsc nursing student in Army Medical college CAn i discontinue my course if i get selected in afmc for mbbs

Tanya Gupta 18th Jan, 2024

Hello,


Yes, you can discontinue your course from Army Medical college if you get into AFMC for MBBS. A lot of students do the same thing after clearing their MBBS. All you need to do is inform the concerned authorities of your college about this discontinuation along with the reason

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can a commerce student without having maths but having (eng, a/c, bst, eco, p.ed) can do bsc in cs in du?

Sajal Trivedi 12th Jan, 2024

Hello aspirant,

I regret to inform you that a B.Sc. in computer science at DU requires a math component.

The requirements for eligibility include a minimum of 60% in maths in your 12th grade year and the necessity to search for cutoffs in order to be admitted. Cut-offs are extremely

404 Views

What is my 12th/ PUC student/Reg number that i need to enter in the KCET application form 2024 ?

Tanya Gupta 18th Jan, 2024

Hello,


The 13 digit 'Student Number' issued from PUE Department has to be entered by the candidates who appeared for the 12th PUC exam.

To find your 12th/PUC student/Reg number for the KCET application form in 2024, you'll need to check your 12th/PUC registration documents or reach out to your

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