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Maths
Ayushman's image
Ayushman
May 20, 2026, 8:33 p.m.
1. An electric refrigerator rated at 400 Watt operates 8 hours a day. What is the cost of energy to operate it for 30 days at rupees 3 per kilowatt hour?
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Maths
dhruvi sharma's image
dhruvi sharma
May 20, 2026, 5:30 p.m.
Explain the new economic and political situation create during World war 1 in India 

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Maths
Divyansh Chaubey's image
Divyansh Chaubey
May 20, 2026, 9:48 a.m.
Bst notes class12th
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Accounts Tax GST
jeel's image
jeel
May 19, 2026, 8:18 a.m.
I think in case law of Takko holiday GmbH, Takko is required to take registration.
If you are interested I can share you whole case law with my working, why Takko is required to take registration.
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Maths
Poonam Devi's image
Poonam Devi
May 18, 2026, 9:27 p.m.
Important question konsa hai 1.6mai ex mai

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Maths
Harshita Gothul's image
Harshita Gothul
May 18, 2026, 8:57 p.m.
Why notes are not open

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Maths
Hanalahun Tongper's image
Hanalahun Tongper
May 18, 2026, 8:44 p.m.
What about the science 
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Maths
Amit Maurya's image
Amit Maurya
May 18, 2026, 8:28 p.m.
Prove that one upon root 2 is irrational
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Maths
S MohammedAli's image
S MohammedAli
May 18, 2026, 5:29 p.m.
3x - y = 3
9x-3y =9
Answer
Maths
sufi bhgt's image
sufi bhgt
May 18, 2026, 5:01 p.m.
A car moving at 4 m/s accelerate at 2 m/s² for 3 seconds, find the distance travelled? 
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Maths
Vishvajeet's image
Vishvajeet
May 17, 2026, 9:26 a.m.
Class 9th subject math up board 
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Maths
Bhavagna's image
Bhavagna
May 16, 2026, 3:47 p.m.
if a,b,c and d are in G.P show that (a2+b2+c2)(b2+c2+d2)=(ab+bc+cd)2
Answer
Accounts Tax GST
shreya singh's image
shreya singh
May 15, 2026, 8:47 p.m.
Accountancy illustrations 1
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Maths
Aditya Tripathi's image
Aditya Tripathi
May 15, 2026, 10:30 a.m.
We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm what could be the range of distance of the object from the mirror what is the nature of the image is the image larger or smaller than the object ?draw a diagram to show the image formation in these case.
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Maths
sarukesh's image
sarukesh
May 13, 2026, 10:03 p.m.
If A and B are invertible square matrices of the same order, then which of the following is not correct?
 (a) adj A = |A|. A –1 (b) det (A) –1 = [det (A)]–1  
 (c) (AB) –1 = B –1A –1 (d) (A + B) –1 = B –1 + A –1 
Answer