GK Questions and Answers, General Knowledge Quiz

Q. If 31% of a number is 93, the number is -

1) 350
2) 155
3) 150
4) 300

Q. A tap can fill a tank in 15 minutes, while another tap can empty the tank in 20 minutes. When the tank is already half full, both the taps are opened together. The tank will be filled up completely in the next -

1) 40 minutes
2) 30 minutes
3) 32 minutes
4) 36 minutes

Q. If A : B = 3 : 10, and B : C = 2 : 7, then A : B : C is equal to -

1) 3 : 10 : 35
2) 3 : 2 : 7
3) 3 : 10 : 7
4) 3 : 5 : 7

Q. A train, 120 meters long, takes 6 seconds to pass a man, who is running in the opposite direction at the speed of 12 km /hr. The speed of the train is in km/hr. The speed of the train in km/hr is -

1) 70
2) 50
3) 80
4) 60

Q. The ratios of milk and water in four containers of equal volumes are 2 : 1, 5 : 3, 9 : 7, and 3 : 2. The container in which the quantity of milk relative to water is minimum is -

1) 4th
2) 1st
3) 2nd
4) 3rd

Q. Three dealers A, B, and C are selling similar TV sets. A allows successive discounts of 25% and 15%, B allows that of 10% and 30%, while C offers a single discount of 36 % then -

1) C's offer is the best
2) All the offers are the same
3) A's offer is the best
4) B's offer is the best

Q. An article is sold at a 10% loss. If the selling price is Rs. 40 more, there will be a gain of 15% The cost price of the article is -

1) Rs. 175
2) Rs. 160
3) Rs. 140
4) Rs. 120

Q. If the lengths, breadths, and heights of two rectangular parallelepipeds are 20 m, 15 m, h m, and 16 m, (2h -1) m respectively and the volumes of the two solid are the same, then the value of h is -

1) 12
2) 4
3) 6
4) 8

Q. The ratio of the area of the equilateral triangle drawn with the side of a square as its base and the area of the equilateral triangle described on the diagonal of that square is -

1) 3 : 2
2) 1 : 2
3) 2 : 1
4) 2 : 3

Q. The average of 16 numbers is 8. If 2 is added to every number, the new average will be -

1) 10
2) 8
3) 13
4) 9