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
Q. A, B, and C together can do a piece of work in 8 days. B and C together can do the same work in 12 days. But it was only A who started to do the work but fell ill after 18 days. The remaining part was finished by B and C working together in -
1) 3.6 days
2) 2.7 days
3) 3 days
4) 3.3 days
Q. The rate of simple interest per annum equivalent to 5% compound interest payable half yearly is -
1) 5.52%
2) 5.25%
3) 5.60%
4) 5.06%
Q. In a country, 80% of the population lives in villages. 90% of village people are farmers and 70% of farmers are landless. The percentage of the landless population is -
1) 50%
2) 50.4%
3) 80%
4) 60%
Q. The selling price of a book after a 20% discount is Rs. 48. The marked price (in Rs.) of the book is -
1) 166.66
2) 38.40
3) 40
4) 60
Q. Guns are fired at intervals of 5 minutes at a certain place towards which a train is approaching. A man in the train hears two successive firing sounds at intervals of 4 minutes 49 seconds. If sound travels at 1156 ft./ sec., the speed of the train miles per hour (given 1 mile = 5280 ft.) is -
1) 30
2) 15
3) 20
4) 25
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