A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work...? Mcqs

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A, B and C can complete a work in 20, 12 and 8 days respectively. In how many days A and B together can complete that work...?

(A) 65/7 days
(B) 41/3 days

(C) 71/3 days
(D) 30/4 days

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What is the average of the first 100 natural numbers...?

(A) 25.5
(B) 50

(C) 50.5
(D) None of these

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A motorcyclist travels 200 km in 1 hr. How many minutes it would take him to travel 120 km?...?

(A) 72 minutes
(B) 50 minutes

(C) 36 minutes
(D) 24 minutes

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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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The radius of a circle is 10 cm and the length of one of its chords is 12 cm then the distance of the chord from the centre is:...?

(A) 6 cm
(B) 8 cm

(C) 10 cm
(D) 12 cm

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The price of the pen is 75. After a 20% discount its prize will be...?

(A) 51
(B) 55

(C) 60
(D) None of these

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Find the average of 8 13 25 43 and 11...?

(A) 20
(B) 32

(C) 27
(D) 19

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Complete the number series: 20,32, ... , 74,

(A) 95
(B) 89

(C) 90
(D) 88

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Six tenths is the same as:...?

(A) 60
(B) 0.6

(C) 6.0
(D) 0.06

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Three fifth students speak Spanish and one fourth speaks Italian how many percent speaks French:...?

(A) 30%
(B) 35%

(C) 40%
(D) 45%

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