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Find the value of a) (2-1 x 4-1 ) / 2-2 b) (25 / 28 ) x 2 -5

Posted by Arman Nadaf 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Anshuman Jha 3 years, 11 months ago

A = 0 , B = -75/28

ANSWER

14.5

Posted by Shivam Kashyap 3 years, 11 months ago

CBSE > Class 08 > Mathematics

3 answers

Sunil Singh 3 years, 11 months ago

(2-1 x 4-1 ) / 2-2 b) (25 / 28 ) x 2 -5

Arman Nadaf 3 years, 11 months ago

Find the value of a) (2-1 x 4-1 ) / 2-2 b) (25 / 28 ) x 2 -5

Sneha Maria Jince V :K Jince V.K 3 years, 11 months ago

The dash is a object created by flash

ANSWER

formulas of the following 6 1. TSA of cylinders 2.TSA of cuboid 3. TSA of cube 4. LSA of cube 5. LSA of cuboid 6. LSA of cylinders

Posted by Smriti Gupta 3 years, 11 months ago

CBSE > Class 08 > Mathematics

3 answers

Prabhat Kumar 3 years, 11 months ago

TSA of cylinder = 2πr(r + h ) TSA of cuboid =2(lb+bh+hl) TSA of cube=6a² LSA of cube=4a² LSA of cuboid=2 (I+b) h LSA of cylinder = 2πrh

Abhay Kumar 3 years, 11 months ago

1 = 2πr(r+h) , 2 = 2(lb+bh+lh) , 3 = 6×side square , 4 = 4×side square , 5 = 2(l+b)h , 6 = 2πrh

Anshuman Jha 3 years, 11 months ago

1 = 2πr(r+h) , 2 = 2(lb+bh+lh) , 3 = 6×side square , 4 = 4×side square , 5 = 2(l+b)h , 6 = 2πrh

ANSWER

what is ratinal number

Posted by Aryan Malik 3 years, 11 months ago

CBSE > Class 08 > Mathematics

3 answers

Kishan .K 3 years, 11 months ago

A rational number is formed by p/q is not equal to 0 is called rational number

Abhay Kumar 3 years, 11 months ago

A rational number is formed by p/q is not equal to 0 is called rational number

Nirjala Sinha 3 years, 11 months ago

A rational number is formed by p/q is not equal to 0 is called rational number

ANSWER

1kg = 700rs so 100 gram = ?

Posted by Ananya Verma 3 years, 11 months ago

CBSE > Class 08 > Mathematics

3 answers

Aryan Malik 3 years, 11 months ago

70 Rs

Abhay Kumar 3 years, 11 months ago

100gram=70rs

Anshuman Jha 3 years, 11 months ago

70rs

ANSWER

One or more outcomes of an experiment make an _____?

Posted by Aditya Shrivastav 3 years, 11 months ago

CBSE > Class 08 > Mathematics

3 answers

Abhay Kumar 3 years, 11 months ago

Probability

Smriti Gupta 3 years, 11 months ago

probability

Anshuman Jha 3 years, 11 months ago

Probability

ANSWER

Data mostly available to us in an unorganised form is called______ ?

Posted by Aditya Shrivastav 3 years, 11 months ago

CBSE > Class 08 > Mathematics

4 answers

Abhay Kumar 3 years, 11 months ago

Raw data

Smriti Gupta 3 years, 11 months ago

raw data

Anshuman Jha 3 years, 11 months ago

Raw data

Prabhat Kumar 3 years, 11 months ago

Raw data

ANSWER

When a die is thrown, list the outcomes of an event of getting A) a prime number B) not a prime number C) a number greater than 5 D) a number not greater than 5

Posted by Aditya Shrivastav 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Anshuman Jha 3 years, 11 months ago

A - 3/6=1/2 ,B - 1/2, C - 1/6 ,D - 4/6=2/3

ANSWER

factorise 4x^5 - 9x^3y^2

Posted by Bad Boy 3 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Prabhat Kumar 2 years, 5 months ago

4x⁵-9x³y² x³(4x²-9x²y²) x³[(2x)²- (3xy²)] [(a²-b²) = (a + b) (a-b)] x³(2x+3xy) (2x-3xy)

Prabhat Kumar 3 years, 11 months ago

4x⁵-9x³y² x³(4x²-9x²y²) x³[(2x)²- (3xy²)] [(a²-b²) = (a + b) (a-b)] x³(2x+3xy) (2x-3xy) Answer ?

ANSWER

Prove that lateral surface area of cylinder is 2pai r h

Posted by Alfiya Rahman 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

(a^2+b^2+c^2)(x+y)-a^2-b^2-c^2

Posted by Jaspreet Jassi 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Prabhat Kumar 3 years, 11 months ago

(a²+b²+c²)(x+y) - a²-b²-c² (a²+b²+c²)(x+y) - (a²+b²+c²) (x+y) Answer ☺

ANSWER

Commertia mathmatic

Posted by Atul Singh 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Root 3a+1 - root a-1=2

Posted by Nikitha K.S 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Simplify :- 2√2 x^4+6√2 x^3+x^2 ÷2√2 x^2

Posted by Pranav Prabhakar 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Factorise z-15+15xy-xyz

Posted by Kookie Upadhyay 3 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Smriti Gupta 3 years, 11 months ago

(z-15)(1-xy)

Prabhat Kumar 3 years, 11 months ago

Z-15+15xy-xyz Z-XYZ -15+15XY Z (1-xy)-15 (1-xy) (1-xy) (Z - 15) Answer = (I-xy)(Z-15)

ANSWER

How many bricks each 25 cm by 15 cm by 8 cm, are required for a wall 32 m long, 3 m high and 40 cm thick?

Posted by Tanushree Jaiswal 3 years, 11 months ago

CBSE > Class 08 > Mathematics

4 answers

Sia ? 3 years, 11 months ago

length of the wall=32m=3200cm, length of one brick=25cm.
therefore. Length -wise ,the no. of bricks required = 3200÷25 = 128

Similarly, height-wise, no. of bricks required=300÷15=20

Thickness-wise, no. of bricks required=40÷8=5

therefore . The bricks can be arranged in 128 layers , each containing 20 rows of bricks with 5 bricks in each row.

therefore. The no. of bricks required=120×20×5=12800.

Smriti Gupta 3 years, 11 months ago

1280

Prabhat Kumar 3 years, 11 months ago

Length of Brick = 25cm Breadth of Brick = 15 cm Height of Brick = 8 cm Volume of cuboidal Brick = lxbxh = 25cm x 15cm x 8cm = 3000 cm³ Length of wall = 32 m = 3200 cm Breath of wall = 3 m = 300 cm Height of wall =40cm Volume of wall = lxbxh = 3200cmx300 cm x 40cm = 3840000 cm³ No.of Brick = volume of wall / volume of 1 brick =3840000 cm³/3000 cm³ = 1280 Bricks Answer.

Anshuman Jha 3 years, 11 months ago

12800

ANSWER

Whji

Posted by Jai Krishna 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Prabhat Kumar 3 years, 11 months ago

whji

ANSWER

A copper wire length is to be bent into a square and a circle.which will have larger area

Posted by Prachit Sonawane 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Aditya Sen 3 years, 11 months ago

Square

ANSWER

If Seema had rupees 60 after spending 75% of her money how much did she have in the beginning

Posted by Sanvi Shetty 3 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Aryan Malik 3 years, 11 months ago

240 rs

Anshuman Jha 3 years, 11 months ago

240

ANSWER

a²b(a³-a+1)-ab(a⁴-2a²+2a)-b(a³+a²-1

Posted by Akash Angadi 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Rimjhim Singh 3 years, 10 months ago

56755

ANSWER

What is (X + A) (X + B)

Posted by Meet Prajapati 3 years, 11 months ago

CBSE > Class 08 > Mathematics

3 answers

Smriti Gupta 3 years, 11 months ago

X(X+B)+A(X+B) = X²+XB+AX+AB

Anshuman Jha 3 years, 11 months ago

X(X+B)+A(X+B) = X²+XB+AX+AB

Account Deleted 3 years, 11 months ago

X²(A+B)

ANSWER

(9? + 4?) 2 − 144?? = (9? − 4?)

Posted by Shrushti Jadhav 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Find the product: (2a+3b+4c),(3abc

Posted by Yasmeen Kumari Yasmeen 3 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Smriti Gupta 3 years, 11 months ago

6a square bc + 9ab square c + 12abc square

Anshuman Jha 3 years, 11 months ago

6a square bc + 9ab square c + 12abc square

ANSWER

Find product of (2a+3b+4c),(3a²bc)

Posted by Lasya Vainala 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

-1.00 is greater or -0.75

Posted by Shatakshi Tiwari 3 years, 11 months ago

CBSE > Class 08 > Mathematics

2 answers

Annu Yadav 3 years, 11 months ago

-1.00 is greater

Anshuman Jha 3 years, 11 months ago

-0.75

ANSWER

Divide 104075 by 437 using long division method

Posted by Janisha Garg 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Prachi Sharma 3 years, 11 months ago

Good morning

ANSWER

P is an odd number divisible by 11 which is the second next order number after BE divisible by 11

Posted by Tanvi Ghode 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Flow rate 810 Sunil can 8% of how much how much did he purchased it

Posted by Anuj Singh 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Piece of work in 24 days b can do it in 30 days in how many days can they complete if it is there but together

Posted by Anuj Singh 3 years, 11 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Nitin do a piece of work in24 days while raman can do it in 30 days in how many days can they complete it if they work together

Posted by Anuj Singh 3 years, 11 months ago

CBSE > Class 08 > Mathematics

1 answers

Annu Yadav 3 years, 11 months ago

6 days can they complete work together

ANSWER

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