Math Quantitative Aptitude
Math Quantitative Aptitude
142. Let a number of three digits have for its middle digit the sum of the other two digits. Then it is a multiple of:
- 11
- 10
- 18
- 50
143. Two varieties of rice Rs. 10 per kg and Rs.12 per kg are mixed together in the ratio 1:2. What is the price of the resulting mixture?
- Rs. 10.50 per kg.
- Rs. 10.67 per kg
- Rs. 11.20 per kg,
- Rs. 11.33 per kg
144. By selling 15 mangoes a fruit vendor recovers the cost price of 20 mangoes. What is the profit percentage of the fruit vendor?
- 20.5%
- 30.67%
- 33.33%
- 35.4%
145. The average of marks of 13 papers is 40, The average of marks of first 7 papers is 42, and that of the last 7 papers is 35. What are the marks of the seventh paper?
- 17
- 19
- 21
- 24
146. Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same as what was three years ago. What is the age of the baby?
- 8 months
- 9 months
- 1 year
- 2 years
147. In a 100 m race for children, A runs at 1.66 m/s. If A gives B a start of 4m and still beats him by 12 seconds, what is B’s speed?
- 0.75 m/s
- 1 km/h
- 1.11 m/s
- 1.33 m/s
148. Amit takes twice as mush time as Aryan and thrice as much as Raman to finish a piece of work. Together they finish the work in 1 day. What is the time taken by Amit to finish the work?
- 2 days
- 3 days
- 6 days
- None of these
149. When 60% of a number A is added to another number B, B becomes 175% of its previous value. Which one of the following is correct?
- A > B
- B > A
- Either o1 the above can be true depending upon the values of A and B
- None of the above three can be predicted with out more data
150. The present population of a village is 5500. If the number of males increases by 11% and the number of females increases by 20% then the population will become 6330.What is the present population of females in the village?
- 2000
- 2500
- 3000
- 3500