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AFCAT - EKT (2015)

Triangles

Error Identification

General Studies

GK (Mixed)

mathematics

(28 Posts)

By biswaranjan pradh Share

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Vicky Chaudhary

Posted on Aug 10, 2019 11:25 PM

How to prepare my mathematics in 3month to qualify nda math exam

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Gursewak

Posted on Jun 06, 2019 11:16 AM

How prepare nda exam in 5 months

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Chandan Singh

Shared from AFCAT - EKT (2015) on Jul 02, 2018 3:35 PM

The areas of three faces of a cuboid are in the ratio 2 : 3 : 4 and its volume is 9000 cm³. The length of the shortest edge is

20 cm

30 cm

15 cm

60 cm

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Chandan Singh

The answer should be 15cm

The answer should be 15cm Please type your answer before submitting.

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Roopkaur

Posted on Jul 09, 2018 5:56 PM

Yes. You are right Chandan. The correct answer should be 15cm.

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Roohee Walia

Posted on Jun 08, 2018 5:40 AM

A conical tent of radius 12 m and height 16 m is to be made. Find its total cost if canvas costs Rs. 10 per m².

Rs. 7543

Rs. 7445

Rs. 7342

Rs. 7600

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Roohee Walia

3.14*240= 753.6 Please check and update

3.14*240= 753.6 Please check and update Please type your answer before submitting.

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Akshay

Posted on Jun 21, 2018 5:48 PM

I think TCY has updated it.

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Ravi Kumar Ravi Kumar

Shared from Triangles on Sep 16, 2017 1:14 AM

What is the value of y in terms of x by using the figure alongside?

y = 3x + 35

y = 35 - 3x

y = 3x - 35

y = 35 - x

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Ravi Kumar Ravi Kumar

Please explain the last 3 steps - y 3x = - 35 y - 3x = - 35 y = 3x - 35

Please explain the last 3 steps - y 3x = - 35 y - 3x = - 35 y = 3x - 35 Please type your answer before submitting.

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Prerna

Posted on Sep 26, 2017 3:42 PM

ACB = 180° - (2y - x)
CAB = y - 5
and ABC = 2x + 40
By angle sum property of a triangle:
ACB + CAB + ABC = 180°
180° - 2y + x + y - 5 + 2x + 40 = 180°
- y + 3x = - 35
y - 3x = - 35
y = 3x - 35

(0) (0)

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