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Learn Math MCQs [Page 1 of Department 18]

1) The train for Chandigarh leaves every two and a half hour from New Delhi Railway Station. An announcement was made at the station that the train for Chandigarh had left 40 min ago and the next train will leave at 18 h. At what time was the announcement made?

(A) 17 : 05 h
(B) 17 : 25 h
(C) 16 : 10 h
(D) 15 : 30 h
Correct Answer - Option (C)

Explanation:
Time of the last train leaving the station = (18 : 00 - 2 : 30) h = 15 : 30 h But this happens 40 min before the announcement is made. Therefore, Time of making announcement = (15 : 30 + 0 : 40) = 16 : 10 h.

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2) There are 20 people working in an office. The first group of five works between 8 am and 2 pm. The second group of ten works between 10 am and 4 pm and the third group of five works between 12 noon and 6 pm. There are three computers in the office which all the employees frequently use. During which of the following hours, the computers are likely to be used the most?

(A) 2 : 00 pm - 4 : 00 pm
(B) 1 :00 pm - 3 : 00 pm
(C) 12 noon -2 : 00 pm
(D) 10 am - 12 noon
Correct Answer - Option (C)

Explanation:
It is obvious that computers would be used most when all the three groups are working simultaneously and this happens during the period 12 noon to 2 pm.

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3) The priest told the devotes, "the bell is rung at regular intervals of 45 min. The last bell was rung 5 min ago. The next bell is due to the rung at 7 : 35 am. At what time did the priest give the information to be devotes?

(A) 7:40 AM
(B) 7:00 AM
(C) 7:05 AM
(D) 6:55 AM
Correct Answer - Option (C)

Explanation:
Time of ringing last bell = (7 : 45- 0 : 45) = 7 : 00 am. But it happened 5 min before the priest gave the information to the devotes. Therefore, Time of giving information = 7 : 00 + 0 : 05 = 7 : 05 am.

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4) A shopkeeper marks his goods 20% above his cost price and gives 15% discount on the marked price. His gain percent is

(A) 1%
(B) 2%
(C) 5%
(D) 4%
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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5) The marked price of a radio is Rs.4,800. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed, his gain per cent will be

(A) 25%
(B) 22%
(C) 18%
(D) 20%
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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6) The marked price of an electric iron is Rs.690. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed, his gain per cent would be

(A) 28%
(B) 25%
(C) 20%
(D) 24%
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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7) How much percent more than the cost price should a shopkeeper mark his goods so that after allowing a discount of 25% on the marked price, he gains 20% ?

(A) 55%
(B) 60%
(C) 70%
(D) 50%
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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8) An article of cost price Rs.8,000 is marked at Rs.11,200. After allowing a discount of x% a profit of 12% is made. The value of x is

(A) 23%
(B) 22%
(C) 21%
(D) 20%
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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9) A trader sells his goods at a discount of 20%. He still makes a profit of 25%. If he sells the goods at the marked price only, his profit will be

(A) 54.25%
(B) 50.25%
(C) 56.25%
(D) 25.56%
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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10) The cost of manufacturing an article was Rs.900. The trader wants to gain 25% after giving a discount of 10%. The marked price must be :

(A) Rs.1000
(B) Rs.1200
(C) Rs.1500
(D) Rs.1250
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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