A solution of watar and sugar contains 10% sugar the solutions weight is 8 kg. When 2 kg of water is added to this solution the percentage of sugar becomes...? Mcqs

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A solution of watar and sugar contains 10% sugar the solutions weight is 8 kg. When 2 kg of water is added to this solution the percentage of sugar becomes...?

(A) 8%
(B) 10%

(C) 12%
(D) 18%

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If 2.5% of a certain number is equal to 250,000 what is the actual value of the number...?

(A) 10000000
(B) 1000000

(C) 5000000
(D) 800000

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A father is now three times as old as his son fiver year back he was four times as old as his son the age os son ( in year) is:...?

(A) 10
(B) 12

(C) 15
(D) 18

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The number of boys and girls in a school at 360 and 240 respectively. What is the ratio of number of boys to total students...?

(A) 3:5
(B) 2:5

(C) 1:5
(D) 2:3

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A photograph measuring 5. 5 cm by 9 cm is enlarged in the ratio of 7:5. What is the new length and width of the picture...?

(A) 7.8 cm by 12.5 cm
(B) 7.7 cm by 12.6 cm

(C) 7.8 cm by 12.7 cm
(D) None of these

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The sum of the squares of two numbers is 97 and the squares of their difference is 25. The product of the two numbers is...?

(A) 36
(B) 63

(C) 45
(D) 54

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Julie has a square fence that enclosed her garden. She decided to expand her garden by making each side of the fence 10 percent longer. After this expansion, the area of Julie’s garden will have increased by what percent...?

(A) 20
(B) 21

(C) 23
(D) 25

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y = a / b x+c y= d/e x+c The equations of two perpendicular lines in the xy-plane are shown above, where a, b, c, d, and e are constants If 0 < 1 which of the following true...?

(A) d / e < 1
(B) - 1 < d / e < 0

(C) 0 < 1
(D) d/c>1

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At the end of a conference the 10 people All of these Present all shake hands with each other once, how many hand shakes will there be altogether...?

(A) 20
(B) 25

(C) 35
(D) 45

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The volume of a right circular cylinder in c * m ^ 3 having radius 2cm and height is:...?

(A) 14cm3
(B) 28 cm3

(C) 88 cm3
(D) 7 cm3

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