During a race, a race car burns fuel at a constant rate. After 4th lap 4 the car has 22 gallons left in its tank. After 7th lap, the car has 18 gallons left in its tank. Assuming the racecar does not refuel then how many laps are made at the end...? Mcqs

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During a race, a race car burns fuel at a constant rate. After 4th lap 4 the car has 22 gallons left in its tank. After 7th lap, the car has 18 gallons left in its tank. Assuming the racecar does not refuel then how many laps are made at the end...?

(A) 10
(B) 12

(C) 14
(D) 16

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If n is a natural number the 9>2n-4>2n is always divisible by:...?

(A) 05
(B) 13

(C) Both A & B
(D) None of these

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In a flight of 600 Kms, an aircraft was slowed down due to bad weather and the average speed was reduced by 200 Km/hour and the time of flight increased by 30 minutes. what is the total duration of flight...?

(A) 1 Hour
(B) 2 hours

(C) 3 hours
(D) 4 hours

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Viruses 9 is 1/3% of what number...?

(A) 2700
(B) 300

(C) 2700
(D) 3000

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7 56/100in decimal form is:...?

(A) 7,056
(B) 7,56

(C) 756
(D) 75,6

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Find the height of a parallelogram whose area is 54 cm square and the base is 15 cm:...?

(A) 2 cm
(B) 3.6 cm

(C) 4.6 cm
(D) 5.6 cm

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A steam shovel excavates 2 cubic yards every 40 seconds. At this rate the amount excavated in 45 minutes is:...?

(A) 90 cubic yards
(B) 135 cubic yards

(C) 270 cubic yards
(D) 1200 cubic yards

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In class, one-fourth opted to learn German; four-fifths of the remaining students Italian. Two-thirds of the remaining students decided to learn French and rest Japanese. 12 people decided to learn Japanese, how many of them opted for Italian?...?

(A) 120
(B) 136

(C) 144
(D) 256

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A is two years older than B who is twice as old as C. If the sum of the ages of A, B and C is 27, how old is B...?

(A) 9
(B) 10

(C) 11
(D) 12

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There are twice as many boys as there are girls if 30% of the boys and 45% of the girls failed in the exams then. What percentage of the class passed the exams...?

(A) 65%
(B) 40%

(C) 52%
(D) None of these

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