two numbers are in the ratio 4:7 . if 12 is added to the numbers. their ratio changes to 7:10 .the numbers are
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priyanka sold two ceramic vases for 1230rupees. on one of the vase, she lost 10% while on the other she gained 15%. what is the sp of each vase if the cp of the two vases is equal ?
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Answer:
Two numbers are such that the ratio between them is 4 : 7. If each is increased by 4, the ratio becomes 3 : 5. The larger number is
A) 36
B) 48
C) 56
D) 64
Correct Answer:
C) 56
Description for Correct answer:
A : B
4x : 7x
Now 4 is added to each number
4x+47x+4=35
=> 20x + 20 = 21x + 12
=> x = 8
∴ Smallest number is 4×8=32
Larger number is 7×8=56
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Answered by
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Answer:
4x=16
7x=28
4x+12/7x+12=7/10
Now,solving this equation we will get answers
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