Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![In how many months, the amount of Rs 1000 a
(2x + 1) (2x + 6)– 7(x - 2) = 4(x + 1) (x – 1) - 9x
20. कति महिनामा रु. 1000 को ब्याज 10% व्याजवरणम
मिश्रधन रु. 1200 हुन्छ ?
In how many months, the amount of Rs 1000.
the rate of 10% will be Rs 1200?
Ans:24
months
21. दिइएको तालिकाबाट मध्यक पत्ता लगाऊ ।
Find the mean from the given data.
20
Ans: 15.92
15
16
25
4
8.
3.
22. खण्डीकरण गर (Factorize): (a + b)* + 4 (a + b) +4
Ans: (a+b +2) (a + b +2)
23. म.स. पत्ता लगाऊ (Find the HCF):
3x +7x +2 and 2x+ 3x- 2
Ans: (x +2)
24. सरल गर (Simplify):
1
a - b a-b2
1.
2b
2
Ans:
a-b
a +b
25. हल गर (Solve):
5, 3)
Ans:
3/2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb9890a21-37bb-4d6c-a813-584f2b1fe181%2F00dda3d2-29ba-434a-bee4-5467e0a2de32%2Fgt7wtmj_processed.jpeg&w=3840&q=75)
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