Question

1 - Find the sum of first 20 terms of the A.P : 2+5+8+..........
2 - Find the sum of the first 15 multiples of 8.
3 - In the figure, if LM || CB and LN || CD Prove that AM/AB = AN/AD.
4 - Solve the following pair of linear equations by the substitution method. -
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5 - Solve the following pair of linear equations by the elimination method. -
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6 - 10 students of class 10th took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys find the number of boys and girls who took part in the quiz.
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Guys plz do answer my these questions and help me.
This will help me a lot ♥️



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Answer 1

Answer:

please mark it as a brainliest answer