Question

please tell me the solution of 16 17,18,19,

Answer 1

QUESTION 16.

LET THE LENGTH OF RECTANGLE =120Y/100
THE BREADTH OF RECTANGLE =Y
SIDE OF SQUARE =Y
AREA RECTANGLE :AREA SQUARE
= LENGTH *BREATH :SIDE^2
= 120Y/100 *Y : Y^2
= 120Y^2/100:Y^2
=120:100
=6:5

QUESTION 17.

TOTAL PAPER OF ENVELOP = 125*85
REQUIRED BY 1 ENVELOP = 17*5
NUMBER OF INVELOP =
$125 \times 85 \div 17 \times 5$
=125
SO, NUMBER OF ENVELOP =125


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