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Arithmetic Progression
Finding terms of AP given first term and difference
Finding terms of AP given sum and product
Polynomials
Polynomials
Probability
Probability
Quadratic Equations
Finding the roots of a Quadratic Equation
Quadratic Equations
Trigonometry
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Mathematics
Class X
Arithmetic Progression
Finding terms of AP given first term and difference
Question
Find first four terms of AP when the first term is 10 and the common difference is 10.
10, 15, 20, 25
10, 20, 30, 40
10, 30, 50, 70
20, 30, 40, 50
Validate
Solution
The correct answer is 10, 20, 30, 40
Explanation
a = 10, d = 10
First term, a = 10
Second term, a + d = 10 + 10 = 20
Third term, a + 2d = 10 + 20 = 30
Fourth term, a + 3d = 10 + 30 = 40
The first four terms of the AP are 10, 20, 30, and 40.
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