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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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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If x = 7 - 4sqrt[3] then find the value of x + [1 / x]...?

(A) 1
(B) 14

(C) 7 + 4sqrt[3]
(D) None of these

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A person crosses a 500 m long street in 5 minutes. What is his speed in km/h...?

(A) 5
(B) 4

(C) 6
(D) 7

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A washer man irons 4 shirts in 12 minutes. How many shirts he ironed in one hour:...?

(A) 16
(B) 20

(C) 24
(D) 30

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When 20% of itself added into a number it gives 102, find the number....?

(A) 185
(B) 75

(C) 90
(D) 85

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There are two sections A and B of a class, consisting of 36 and 44 students respectively. If the average weight of section A is 40kg and that of section B is 35kg. Find the average weight of the whole class...?

(A) 37.25 kg.
(B) 37.85 kg.

(C) 35.25 kg.
(D) None of these

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The ratio of ages of two students is 3: 2. One is older to the other by 5 years. What is the age of the younger student?...?

(A) 2 years
(B) 10 years

(C) 15 years
(D) None of these

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Algebra was discovered by which of the following Mathematicians...?

(A) Al-Khwarizmi
(B) Ibn Sina

(C) Archimedes
(D) Euclid

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A man can do a piece of work in 5 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone...?

(A) 7.5 days
(B) 6.5 days

(C) 5.5 days
(D) 4.5 days

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