If the simple interest obtained in 4 years is equal to the principal, find the rate of interest?
please answer this question my test is going on right now please
Answers
Answer:
Answer 1 : Option ( D ) 10 : 14 : 35
Explanation : L.C.M. of 7,5 and 2 = 70, ( then divide by 7 , 5 , 2 )
So, we get the value 10 : 14 : 35
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Answer 2 : Option ( A ) 731
Explanation : 731 is not a prime number.
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Answer 3 : Option ( B ) Rs. 67,000
Explanation : (2 × 95000) + (2 × 75000) + (3 × 43000)
=> 1,90,000 + 1,50,000 + 1,26,000
=> Rs. 4,69,000
Average Cost :
=> 4,69,000 / 7
=> Rs. 67,000
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Answer 4 : Option ( D ) 10/3
Explanation : 7x + 13 = 13x - 7
=> 6x = 20
=> x =20/6 #(Divide by 2)
=> X = 10/3
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Answer 5 : Option ( D ) 1/9
Explanation : Total work 45 (LCM of 15, 9)
The Efficiency of both (A + B) = 8 work per day.
They work for 5 days. Means 8*5 = 40 works in 5 days.
Work left 5,
so 5/45 work left = 1/9
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Answer 6 : Option ( D ) 4b²c²
Explanation : 64 a² × 4 = 256 a²
So, ( 256a²b²c²/ 64a² ) = 4b²c²
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Answer 7 : Option ( A ) 12.6 Km
Explanation : Distance = speed × time
=> 21× 3/5
= 63/5
= 12.6 km
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Answer 8 : Option ( C ) 12%
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Answer 9 : Option ( D ) 52 and 28
Explanation : 28 + 24 = 52
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Answer 10 : Option ( A ) 7
Explanation :
EQ (1) : 3x - 4 > 2 - x/3
= > X = 1.8
EQ (2) : 3x + 5 > 4x - 5
= > X = 10
Value of X is between " 1.8 < x < 10 "
There is only one option between 1.8 to 10.
its 7
So, X = 7
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Answer 11 : None of the Above ( Answer is 47.74 % )
Explanation : When discount is 17%,
Selling price = (83
/ 100) × 100 X = Rs. 83 X
Profit % = { ( 83x - 56.18x )/ (56.18x) } × 100
Profit % = 47.74 %
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Answer 12 : Option ( A ) X - Y = 9
Explanation : X - Y = 9
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Answer 13 : Option ( A ) ( -7, -4 )
Explanation : Coordinates of vertex C = (-7,-4)
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Answer 14 : Option ( D ) -1
Explanation : (5+2)/ (-3-4)
=> (7/-7)
=> -1
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Answer 15 : Option ( B ) Rs. 30,000
Explanation : Discount = 24%
Price = ( 100 - 24 ) = 76
( 38000 × 6 ) / 76 = Rs. 30,000