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Ask QuestionPosted by Π!Kku❤Π¤Π! $H@®M@ 6 years, 6 months ago
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Gaurav Seth 6 years, 6 months ago
Take help from the similar question:
A number consists of two digits whose sum is 9.if 27 is subtracted from the number,its digits are reversed . find the number
Solution:
Let us assume, x and y are the two digits of the two-digit number
Therefore, the two-digit number = 10x + y and reversed number = 10y + x
Given:
x + y = 9 -------------1
also given:
10x + y - 27 = 10y + x
9x - 9y = 27
x - y = 3 --------------2
Adding equation 1 and equation 2
2x = 12
x = 6
Therefore, y = 9 - x = 9 - 6 = 3
The two-digit number = 10x + y = 10*6 + 3 = 63
Posted by Harshini Hiranmayi 6 years, 6 months ago
- 1 answers
Sia ? 6 years, 6 months ago
Closure property for addition : If a and b are two whole numbers and their sum is c, i.e. a + b = c, then c is will always a whole number.
Posted by Gagandeep Singh 6 years, 6 months ago
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Posted by Kumar 12345 6 years, 6 months ago
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Posted by Fathima Shejeef 6 years, 6 months ago
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Posted by Piyush Mandhare 6 years, 6 months ago
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Yogita Ingle 6 years, 6 months ago
100x+25(63-x)=3000
100x+1575 - 25x =3000
75x = 3000 - 1575
x = 1425/75
x = 19
Posted by Piyush Mandhare 6 years, 6 months ago
- 1 answers
Yogita Ingle 6 years, 6 months ago
8(x-5/2)=3x
8x - 40/2 = 3x
8x - 20 = 3x
8x - 3x = 20
5x = 20
x = 20/5
x = 4
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Vishwanath Gupta 6 years, 6 months ago
Gaurav Seth 6 years, 6 months ago
Posted by Nagavelli Nagarani 6 years, 6 months ago
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Sia ? 6 years, 6 months ago
Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words,interest on interest.
To find compound interest when interest is compounded half yearly, we use the following formula.
A = P ( 1 + r/2)2n and C.I = A - P
where, P = principal
R = rate in percent p.a.( per annum i.e. annually)
n = number of years.
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Zaheen Mohammed 6 years, 6 months ago
1Thank You