Mathematics Questions and Answers

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Q1
The ratio of the areas of the in circle and circumcircle of an equilateral triangle is-
  • A 1:4
  • B 1:9
  • C 1:2
  • D 1:3
Answer: Option B
Q2
A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price to the printed price of the book is-
  • A 99 : 125
  • B 55 : 69
  • C 50: 61
  • D 45 : 56
Answer: Option D
Q3
The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders, is-
  • A 78
  • B 80
  • C 56
  • D 70
Answer: Option A
Q4
A does half as much work as B and C does half as much work as A and B together. If C alone can finish the work in 12 days, then together all will finish the work in-
  • A 6 days
  • B 7 days
  • C 4 days
  • D 5 days
Answer: Option B
Q5
Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively. If both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket?
  • A 8 mm. 5 sec
  • B 8 mm. 25 sec
  • C 7 mm. 45 sec
  • D 7 mm. 15 sec
Answer: Option C
Q6
A train -110 m long passes a man, running at 6 kmph in the direction opposite to that of the train in 6 seconds. The speed of the train is-
  • A 54 km/hr
  • B 72 km/hr
  • C 60 km/hr
  • D 66 km/hr
Answer: Option C
Q7
A boat takes 4 hours for travelling downstream from point A to point B and coming back to point A upstream. If the velocity of the stream is 2 kmph and the speed of the boat in still water is 4 kmph, whit is the distance between A and B?
  • A 8 km
  • B 9 km
  • C 4 km
  • D 6 km
Answer: Option D
Q8
A man covered a-distance of 2000 km in 18 hours partly by bus at 72 kmph and partly by train at 160 kmph. The distance covered by bus is-.
  • A 860 km
  • B 640 km
  • C 1280 km
  • D 720 km
Answer: Option D
Q9
The difference between simple interest and compound. Interest on Rs. 1200 for one year at 10% per annum, reckoned half yearly is-
  • A Rs. 8.80
  • B Rs. 3
  • C Nil
  • D Rs. 13.20
Answer: Option B
Q10
When simplified, the product (2 – 1/2) (2 – 3/5) (2- 5/7)…….(2 -997/999) is equal to
  • A 5/999
  • B 1001/999
  • C 1001 /3
  • D None of these
Answer: Option C
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