2.
Short Answer Type (1) Questions
(2 marks each)
7. If four numbers in AP are such that their sum is 50 and the greatest number is
4 times the least, then find the numbers.
Answers
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Answer:
5,10,15,20
Step-by-step explanation:
Let first no. = x
4th no. =x+3d=4x
x+3d=4x
3d =3x
d=X
2nd no. = x+d=X+X=2x
3rd no. = 3x
Sum of 4 terms = x+2x+3x+4x
10x=50
x=d=5
1st term=5
2nd term=10
3rd term=15
4th term=20
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