The average age of three boys is 15 years and their ages are in proportion 3:5: 7. What is the age in years of the youngest boy...? Mcqs

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The average age of three boys is 15 years and their ages are in proportion 3:5: 7. What is the age in years of the youngest boy...?

(i) 9 years
(ii) 15 years

(iii) 18 years
(iv) 21 years

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Which of the following fractions is greater than 3/4 and less than 5/6?...?

(i) 9/10
(ii) 2/3

(iii) 1/2
(iv) 4/5

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Total number of students in a class is 95. If the total number of girls in the class is 45, then the ratio of total number. If boys to total number girls is:...?

(i) 9:10
(ii) 7:8

(iii) 10:9
(iv) 9:11

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5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?

(i) 1
(ii) 2

(iii) 3
(iv) 4

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The mean of five numbers is 18, If one number is excluded, then their mean is 16, the excluded number is...?

(i) 24
(ii) 26

(iii) 28
(iv) None of these

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If the perimeter of a sector of a circle of radius 6. 5 cm is 29 cm, then its area is:...?

(i) 52cm2
(ii) 25cm2

(iii) 56cm2
(iv) 58cm2

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A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is...?

(i) 29
(ii) 37

(iii) 42
(iv) 54

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The sum of the angles in a triangle is ...?

(i) 360 Degree
(ii) 190 Degree

(iii) 180 Degree
(iv) 280 Degree

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2+2-2*2+2=0 ...?

(i) 0
(ii) 1

(iii) 2
(iv) 4

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The sum of the ages of a father and his son is 100 years now 5 years ago their ages were in the ratio of 2:1, The ratio of the ages of father and son after 10 years will be...?

(i) 5:3
(ii) 4:3

(iii) 10:7
(iv) None of these

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