Air Force School Quantitative Aptitude Questions and answers

Air Force School Quantitative Aptitude Questions and answers 1. In 6 hours the distance covered by Chulbul is 6 km more than the distance covered by Bulbul in 7 hours. In 7 hours the distance covered by Chulbul is 3 km less than the distance covered by Bulbul in 9 hours. In a race of 180 km, by what distance will Chulbul beat Bulbul? A. 24 km B. 36 km C. 30 km D. 48 km E. None of these Answer: B 2. A mobile phone was sold at a profit of 20% on the cost price. If the mobile phone was sold at 10% lower than this price, then the profit would have been Rs. 600 less. At what price should the mobile phone be sold if one wants to gain 25% of the cost price? A. Rs. 5000 B. Rs. 7500 C. Rs. 7250 D. Rs. 6250 E. None of these Answer: D 3. Three friends A, B, C started working together on a piece of work. Once half of the work was completed B left the work and then A and C complete the remaining work together in 10 days. If B had worked with A and C together only for 6 days, then in how many days B alone can complete the piece of work? A. 25 days B. 40 days C. 30 days D. 20 days E. Can't be determined Answer: C 4. The ratio of length to breadth of a rectangle is 1 : 2. If the length of the rectangle is increased by 20% and again it is decreased by 30% then the area of the rectangle is decreased by 32 sq. cm. What is the perimeter of the original rectangle? A. 30 cm B. 90 cm C. 120 cm Air Force School Quantitative Aptitude Questions and answers D. 60 cm E. None of these Answer: D 5. 8 years ago, the ratio of A’s age to B’s age was 4 : 5. At present the ratio of B’s age to C’s age is 4 : 5. At present, the difference between A’s age and C’s age is 20 years , then what is the sum of the ages of A , B and C ?