A tank can be filled by pipe A in 3 hours and Pipe B in 5 hours. At 7 am, pipe A was opened. At what time will the tank be filled if pipe B was opened at 8 am...? Mcqs

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A tank can be filled by pipe A in 3 hours and Pipe B in 5 hours. At 7 am, pipe A was opened. At what time will the tank be filled if pipe B was opened at 8 am...?

(A) 9 : 30 am
(B) 9 : 15 am

(C) 9 : 45 am
(D) None of these

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What is the fractional value of 12.5%...?

(A) 1/4
(B) 2/9

(C) 1/5
(D) 1/8

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Excel would evaluate the formula, =20 x 10 / 5 x 8, and return this answer...?

(A) 6.25
(B) 5

(C) 320
(D) None of these

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Which Muslim mathematician used zero for the first time:...?

(A) Al Khwarizmi
(B) Naseer-ud-din Tusi

(C) Ishaq Kundi
(D) Al Zahravi

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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...?

(A) 9 years
(B) 15 years

(C) 18 years
(D) 21 years

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A worker did work 1 week and 3 days for Rs. In one month how much he got money:...?

(A) 2250
(B) 2200

(C) 2300
(D) 2450

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How many times in a day, are the hands of a clock in straight line but opposite in direction...?

(A) 22
(B) 24

(C) 48
(D) None of these

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If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work...?

(A) 60
(B) 45

(C) 40
(D) None of these

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15 men were hired to plough a piece of land in 10 days. How many more men will be required to do the same job in 3 days?...?

(A) 35
(B) 40

(C) 50
(D) None of these

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A stone is a unit of which measurement...?

(A) Length
(B) Weight

(C) Area
(D) Volum

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