Explanation

DMAS stands for

• D-Division
• M-Multiplication
• A-Addition
• S-Subtraction

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• DMAS rule State that Division before Multiplication, multiplication  before addition and addition before subtraction.
• ................
• Now Using this rule we conclude that in the following Question multiplication will be done first.

5 × 3 - 4 × 2 + 2 + 1

15 - 8 + 3

18- 8

10 Answer

SH5-9-2023

Explanation

Do LCM of 18,21,and 24 ...

u will get 6*3*4*7.

So our answer is 504.

Explanation

1.1 x 10 + (2.2 - 2) x 3.7

1.1 x 10 + 0.2 x 3.7

11 + 0.74

11.74

SH5-9-2023

Explanation

The cost of 8 Books is 950.

One Book Cost = 950/8

=118.75

Then the cost of 12 books is = 12 × 118.5

                                      = RS. 1425

SH5-9-2023

Explanation

Solve:

=√16+9 

=√(25)

=5

SH5-9-2023

Explanation

Fractions with the same denominator are called like fractions.

Example:½, 3/2, 5/2, 7 /2 etc

Sh5-9-2023

Explanation

area of rectangle garden=1500m²

length of garden=500m

width=x

area of rectangle = length *breadth

=1500=500*x

x=1500/500

x=3m

SH5-9-2023

Explanation

HCF Stand for Highest Common factor

So the HCF of 60 and 72 is 2 × 2 × 3 which is 12.

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The lowest common multiple is found by multiplying all the factors which appear in either list

...........

So the LCM of 60 and 72 is 2 × 2 × 2 × 3 × 3 × 5 which is 360.

SH5-9-2023

Explanation

Sh5-9-2023

Explanation

The average age of six girls is 126 months. 

=(120+124+123+130+130+129+130)/7

=(886)/7

=126

Sh5-9-2023