Q1. In an examination paper of five questions, 5 % of the candidates answered all of them and 5% answered none,of the rest, 25% candidates answered only one question and 20% answered 4 questions. If 396 candidates answered either 2 questions or 3 questions, the number of candidates that appeared for the examination was -
(a) 1000
(b) 900
(c) 800
(d) 850
(e) None of the above
Q2. A contract is to be completed in 50 days and 105 men were set to work, each working 8 h a day. After 25 days, 2/5th of the work is finished. How many additional men be employed, so that the work may be completed on time, each man now working 9 h a day?
(a) 34
(b) 36
(c) 35
(d) 37
(e) None of the above
Q3. A, B and C can do a piece of work individually in 8, 12 and 15 days, respectively. A and B start working but A quits after working for 2 days. After this, C joins B till the completion of work. In how many days will the work be completed?
(a) 5 8/9 days
(b) 4 6/7 days
(c) 6 7/13 days
(d) 3 3/4 days
(e) None of the above
Q4. The average temperature of Delhi for four days in a particular month is 48°C. If the average temperature of second and third days is 34°C and the ratio of the temperatures of first and fourth days is 9 : 11, then find out the temperatures of first and fourth days.
(a) 45.5°C, 49.9°C
(b) 32.4°C, 39.8°C
(c) 43.4°C, 68.2°C
(d) 52.4°C, 46.8°C
(e) None of the above
Q5. The average monthly income of 4 earning members of a family is Rs. 7350. One member passes away and the average monthly income becomes Rs. 6500. What was the monthly income of the person, who is no more?
(a) Rs. 6928
(b) Rs. 8200
(c) Rs. 9900
(d) Rs. 13850
(e) None of the above
Q6. 20 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 litres of this mixture be replaced by 4 litres of milk, the ratio of milk to water in the new mixture would be
(a) 2 : 1
(b) 7 : 3
(c) 8 : 3
(d) 4 : 3
(e) None of the above
Q7. 85 kg of a mixture contains milk and water in the ratio 27 : 7. How much more water is to be added to get a new mixture containing milk and water in the ratio 3 : 1?
(a) 5 kg
(b) 6.5 kg
(c) 7.25 kg
(d) 8 kg
(e) None of the above
Q8. The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:
(a) 3
(b) 4
(c) 5
(d) 6
(e) None of the above
Q9. If 60 engineers or 120 doctors or 100 teachers can finish a work in 360 days then in how many days will 10 engineers, 40 doctors and 50 teachers working together will complete the same work?
(a) 360
(b) 320
(c) 400
(d) 440
(e) None of the above
Q10. Two pipes A and B can fill a tank in 15 hours and 120 hours respectively while a third pipe C can empty the full tank in 25 hours. All the three pipes are opened in the beginning. After 10 hours, C is closed. Now how much time more is required to fill the tank?
(a) 2 hrs
(b) 3 hrs
(c) 6 hrs
(d) 1 hrs
(e) None of the above
Answers:
Q1. In an examination paper of five questions, 5 % of the candidates answered all of them and 5% answered none,of the rest, 25% candidates answered only one question and 20% answered 4 questions. If 396 candidates answered either 2 questions or 3 questions, the number of candidates that appeared for the examination was -
(a) 1000
(b) 900
(c) 800
(d) 850
(e) None of the above
Answer:
Answer:
Q2. A contract is to be completed in 50 days and 105 men were set to work, each working 8 h a day. After 25 days, 2/5th of the work is finished. How many additional men be employed, so that the work may be completed on time, each man now working 9 h a day?
(a) 34
(b) 36
(c) 35
(d) 37
(e) None of the above
Answer:
Q3. A, B and C can do a piece of work individually in 8, 12 and 15 days, respectively. A and B start working but A quits after working for 2 days. After this, C joins B till the completion of work. In how many days will the work be completed?
Answer:
(a) 5 8/9 days
(b) 4 6/7 days
(c) 6 7/13 days
(d) 3 3/4 days
(e) None of the above
Answer:
Answer:
Q4. The average temperature of Delhi for four days in a particular month is 48°C. If the average temperature of second and third days is 34°C and the ratio of the temperatures of first and fourth days is 9 : 11, then find out the temperatures of first and fourth days.
(a) 45.5°C, 49.9°C
(b) 32.4°C, 39.8°C
(c) 43.4°C, 68.2°C
(d) 52.4°C, 46.8°C
(e) None of the above
Answer:
Q5. The average monthly income of 4 earning members of a family is Rs. 7350. One member passes away and the average monthly income becomes Rs. 6500. What was the monthly income of the person, who is no more?
Answer:
(a) Rs. 6928
(b) Rs. 8200
(c) Rs. 9900
(d) Rs. 13850
(e) None of the above
Answer:
Answer:
Q6. 20 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 litres of this mixture be replaced by 4 litres of milk, the ratio of milk to water in the new mixture would be
(a) 2 : 1
(b) 7 : 3
(c) 8 : 3
(d) 4 : 3
(e) None of the above
Answer:
Q7. 85 kg of a mixture contains milk and water in the ratio 27 : 7. How much more water is to be added to get a new mixture containing milk and water in the ratio 3 : 1?
Answer:
(a) 5 kg
(b) 6.5 kg
(c) 7.25 kg
(d) 8 kg
(e) None of the above
Answer:
Answer:
Q8. The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:
(a) 3
(b) 4
(c) 5
(d) 6
(e) None of the above
Answer:
Q9. If 60 engineers or 120 doctors or 100 teachers can finish a work in 360 days then in how many days will 10 engineers, 40 doctors and 50 teachers working together will complete the same work?
Answer:
Q9. If 60 engineers or 120 doctors or 100 teachers can finish a work in 360 days then in how many days will 10 engineers, 40 doctors and 50 teachers working together will complete the same work?
(a) 360
(b) 320
(c) 400
(d) 440
(e) None of the above
Answer:
Answer:
Q10. Two pipes A and B can fill a tank in 15 hours and 120 hours respectively while a third pipe C can empty the full tank in 25 hours. All the three pipes are opened in the beginning. After 10 hours, C is closed. Now how much time more is required to fill the tank?
(a) 2 hrs
(b) 3 hrs
(c) 6 hrs
(d) 1 hrs
(e) None of the above
Answer:
