CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

The bond formed by sharing of eletron between atoms called ionic bond and the bond formed by sharing of electron between two atoms called covalent bond.

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Diksha ? 6 years, 3 months ago

Btw aapka naam?

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Diksha ? 6 years, 3 months ago

No I Don't u

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Miss. 1234 6 years, 3 months ago

Do u know me Diksha?

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R G R 6 years, 3 months ago

Good afternoon all

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Diksha ? 6 years, 3 months ago

Good afternoon miss?

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Miss. 1234 6 years, 3 months ago

Good Afternoon ?

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Diksha ? 6 years, 3 months ago

When two elements form compounds by sharing electrons with each other,they are said to form covqlent comounds. The bond present between them is called covalent bond.

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Diksha ? 6 years, 3 months ago

When two elements form compounds in such a way that one of the elements gain electron(s) and the other loses electrons,they are said to form ionic compounds. The bond which is present between them is called ionic bond.

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ANSWER

Which chapter is most important in maths (standard) for board exam 2019-2020

Posted by Monu Kumar 6 years, 3 months ago

CBSE > Class 10 > Mathematics

6 answers

Arpit Maurya 6 years, 3 months ago

Tri, ap, stas and cir

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Nivi Mk 6 years, 3 months ago

Circle

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Diksha ? 6 years, 3 months ago

Triconometry, SA n volumes

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Aahna Sharma 6 years, 3 months ago

Triangle

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Harsh Gupta 6 years, 3 months ago

All ar important

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Miss Zainab 6 years, 3 months ago

Mensuration

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ANSWER

What is the hcf of smallest composite and prime number

Posted by Prarthana Prasad 6 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 6 years, 3 months ago

Smallest prime number = 2
Smallest composite number = 4
2 = 2 × 1
4 = 2 × 4
HCF(2, 4) = 2

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Miss Zainab 6 years, 3 months ago

H.C.F of two smallest composite numbers is 2 nd H.C.F of two prime numbers is 1

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ANSWER

The pair of lines represented by the equations 2x+y+3 = 0 and 4x+ky+6 = 0 will be parallel if value of k is

Posted by Varsha Narwariya 6 years, 3 months ago

CBSE > Class 10 > Mathematics

6 answers

Varsha Narwariya 6 years, 3 months ago

Yes it's the question from cbse sample paper (basic)

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Arpit Maurya 6 years, 3 months ago

K=2

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Yogita Ingle 6 years, 3 months ago

2x + y + 3 = 0
4x + ky + 6 = 0
For a pair of lines to be parallel, the ratio of the respective coefficients and the constant terms must be the same.

{tex}\therefore \dfrac{2}{4}=\dfrac{1}{k}=\dfrac{3}{6}\\\Rightarrow k=\dfrac{4}{2}\\\Rightarrow k=2{/tex}

hence, the value of k must be 2 in order to have the given pair of lines parallel to each other.

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Miss Zainab 6 years, 3 months ago

a¹/a²=b¹/b² 2/4=1/k So. K=2

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Miss Zainab 6 years, 3 months ago

The value of k is 2

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Manjunatha Udupa 6 years, 3 months ago

Are u sure that's the question??

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ANSWER

Find largest no which divide 398 ,436, and 542 leaving remainder 7 ,11 and 15 resp

Posted by Alok Dubey 6 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 6 years, 3 months ago

On dividing 398 by the required number, there is a remainder of 7. This means that 398 7 = 391 is exactly divisible by the required number. Similarly, 436 -11 = 425 and 542 15 = 527 are exactly divisible by the required number.
The HCF of two positive integers is the largest positive integer that divides both the integers.
So, the required number will be the HCF of 391, 425 and 527. And that can be found by using Euclids division algorithm.
425 = 391 x 1 + 34
391 = 34 x 11 + 17
34 = 17 x 2 + 0
Thus, HCF = 17
Hence, the required number is 17.

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Varsha Narwariya 6 years, 3 months ago

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ANSWER

A granary is in shape of cuboid of size 8m×6m×3m.lf bag of grain occupies shape of 0.65m cube .how many bags can be stored in granary?

Posted by Maninder Singh 6 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Is product of the rational number and an irrational number, is a rational .Is product of two irrational, number a rational..number or an irrational number. Justify by giving example.

Posted by Laxman Phadake 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Vimal Singh 6 years, 3 months ago

Product of rational and irrational is always irrational.the product of two irrational no.can be both rational or irrational.ex underroot2×underroot2=2 which is a rational no. underroot2×underroot3=underroot6 which is irrational.

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ANSWER

X x is a point on side BC of triangle ABC XM and action are drawn parallel to a b and ac respectively meeting a b in an AC in M M and produced meets CB produced at e prove that AC square is equal to TB in multiplied TC

Posted by Manpreet Minnie Manu 6 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

X US A POINT ON SIDE BC OF TRIANGLE ABC XM AND XN ARE DRAWN PARALLEL

Posted by Manpreet Minnie Manu 6 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If lcm of two no is1200 whatis the hcf

Posted by Amritpal Kaur 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 6 years, 3 months ago

LCM- “Lowest Common Multiple” Smallest integer that are the multiple of both numbers.

HCF- “Highest Common Factor” Largest whole number that divides both numbers.

LCM of two numbers is 1200.

Factorizing 1200, we get,

∴ Prime Factors

Since we cannot find 500 or multiples of 500 in the factors of 1200, hence 500 cannot be the HCF of the two numbers.

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ANSWER

If f(x) is cos2x +sec2x then what is f(x)

Posted by Abhishek Ak Hero 6 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If the arithmetic mean of x,x+3,x+6,x+9,andx+12is10,thex=

Posted by Jaya Choudhary 6 years, 3 months ago

CBSE > Class 10 > Mathematics

3 answers

?Urstruley Ashu? 6 years, 3 months ago

S they r in AP

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Amritpal Kaur 6 years, 3 months ago

Thoda lenthy hai isliye typing se nhi ho paega

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Amritpal Kaur 6 years, 3 months ago

Bhai dono ke d ko equal me rkh do ans aa jawga

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,mind map polynomial

Posted by Ramachandran Ram 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

?Urstruley Ashu? 6 years, 3 months ago

See in osawal

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HCF and LCM of two numbers are 9 ans 459 respectively of one of the number is 27. Find the other number

Posted by Sonith Senthil 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Nihal Arya 6 years, 3 months ago

Let the unkown number be x, H.c.f. * l.c.m. = product of two numbers 9 * 459 = 27 * x 4131 = 27x 4131÷27 = x 153 = x So the value of other number is 153

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ANSWER

In what ratio is the line joining the points A (4,4) and B(7,7) divided by P (-1,-1)?

Posted by Chhaya Sharma 6 years, 3 months ago

CBSE > Class 10 > Mathematics