Question

please help me with these questions ​

Answer 1

Answer:

5) 2:5

let sides of house be 2x+5x=7x

so,

x=7

Answer 2

Step-by-step explanation:

5sol:-

Manu can paint in one day :- 2/5

If he continues same rate

The days he will take :- x

APPLING FORMULA :-

2/5+x=5/5

x=5/5-2/5 L.C.M :- 5

x=3/5

=>2/5+3/5 = 5/5

=>3/5 divided into two parts = 2/5,1/5

=>2/5+2/5+1/5

| | |

one one half

day day day

Totally :- 2 and half days

He will take 2 and half days

He will take 2 and haf days to complete painting of a house..

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6sol :-

A group of students arranged a picnic

Each student has to give money :- 61½rs

Total money collected :- 676½rs

No.of students = x

=> 61½ changing to improper fraction:- 123/2

=> 676½ changing to improper fraction:- 1353/2

APPLYING FORMULA :-

☞︎︎︎123/2+x = 1353/2

☞︎︎︎ x = 1353/2÷123/2

☞︎︎︎ x = 1353/2 x 2/123

☞︎︎︎ x = 2706/246

☞︎︎︎ x = 11//

11 students are there in the group...

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