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Maths-

General

Easy

Question

Which of the following statements are correct according to distributive property :

a(b+c) =(a+b) * (a+c)
a+b =b+ a
a(b+c) = ab + ac
(a+b) +c = a +(b+c)

The correct answer is: a(b+c) = ab + ac

a(b+c) = ab + ac

Related Questions to study

If the product of two numbers is 180, if LCM is 60, find the GCF:

8
6
3
5

If the product of two numbers is 180, if LCM is 60, find the GCF:

8
6
3
5

How can we write below statement as divison expression for fraction
“four is divided by 19”

4%19
4 is divided by 19
4*19
4/19

How can we write below statement as divison expression for fraction
“four is divided by 19”

4%19
4 is divided by 19
4*19
4/19

If Area of a rectangle is 400 and length is 20, find its perimeter.

80 cm
100cm
40cm
60cm

If Area of a rectangle is 400 and length is 20, find its perimeter.

80 cm
100cm
40cm
60cm

parallel

What will be the reflection about x-axis of points (2,3)

(2,3)
(-2,-3)
(-2,3)
(2,-3)

What will be the reflection about x-axis of points (2,3)

(2,3)
(-2,-3)
(-2,3)
(2,-3)

If total no. of chocolates are 264 are supposed to be divided in 11 children.
Find the no. of chocolates each child get?

12
24
22
16

If total no. of chocolates are 264 are supposed to be divided in 11 children.
Find the no. of chocolates each child get?

12
24
22
16

The product of two rational numbers is 15/56. If one no. 5/48.
Find the other.

43/2
18/7
23/4
12/3

The product of two rational numbers is 15/56. If one no. 5/48.
Find the other.

43/2
18/7
23/4
12/3

parallel

If LCM of 24 and 42 is 168, find the HCF?

10
8
6
4

If LCM of 24 and 42 is 168, find the HCF?

10
8
6
4

A hollow cuboid is of dimensions 30cm * 27cm * 15cm. How many small cubes with side 3cm can be placed in the given cuboid?

340
564
220
450

A hollow cuboid is of dimensions 30cm * 27cm * 15cm. How many small cubes with side 3cm can be placed in the given cuboid?

340
564
220
450

which one is correct according to addition property of equality

12-10 =2
9 + 2 = 9-2
2+3+4 =4+2
20+10 =10+20

which one is correct according to addition property of equality

12-10 =2
9 + 2 = 9-2
2+3+4 =4+2
20+10 =10+20

parallel

Find the LCM of 12, 16 , 18

122
123
422
144

Find the LCM of 12, 16 , 18

122
123
422
144

Find the Third proportion to 12 and 18.

25
23
27
29

Find the Third proportion to 12 and 18.

25
23
27
29

The function y= $x to the power of 3 end exponent minus 3 x to the power of 2 end exponent plus 6 x minus 17$ is

increasing every where
decreasing every where
increases for negative 'x' and decreases for positive ‘x’
increases for positive ‘x' and decreases for negative 'x'

The function y= $x to the power of 3 end exponent minus 3 x to the power of 2 end exponent plus 6 x minus 17$ is

increasing every where
decreasing every where
increases for negative 'x' and decreases for positive ‘x’
increases for positive ‘x' and decreases for negative 'x'

parallel

If $f to the power of 1 end exponent open parentheses a close parentheses greater than 0$ then f(x) is

decreasing at $x = a$
increasing at $x = a$
stationary at $x = a$
None of these

If $f to the power of 1 end exponent open parentheses a close parentheses greater than 0$ then f(x) is

decreasing at $x = a$
increasing at $x = a$
stationary at $x = a$
None of these

The interval of increase of the function f(x)=x- $e to the power of x end exponent$ + $tan invisible function application open parentheses fraction numerator 2 pi over denominator 7 end fraction close parentheses$ is

$(0, \infty)$
$(1, \infty)$
$(- \infty, 0)$
None of these

The interval of increase of the function f(x)=x- $e to the power of x end exponent$ + $tan invisible function application open parentheses fraction numerator 2 pi over denominator 7 end fraction close parentheses$ is

$(0, \infty)$
$(1, \infty)$
$(- \infty, 0)$
None of these

The probability density plots of 1s and 2s orbitals are given in figure

The density of dots in region represents the probability density of finding electrons in the region. On the basis of above diagram which of the following statements is incorrect?

The probability of finding the electron at a given distance is equal in all directions
1s and 2s orbitals are spherical in shape
The probability of finding the electron is maximum near the nucleus
The probability density of electrons for 2s orbitals decreases uniformly as distance from the nucleus increases

The probability density plots of 1s and 2s orbitals are given in figure

The density of dots in region represents the probability density of finding electrons in the region. On the basis of above diagram which of the following statements is incorrect?

Chemistry-General

The probability of finding the electron at a given distance is equal in all directions
1s and 2s orbitals are spherical in shape
The probability of finding the electron is maximum near the nucleus
The probability density of electrons for 2s orbitals decreases uniformly as distance from the nucleus increases

parallel

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