Question
Joey completed the school project in 15 days. How many days will Tim take to complete the same work if he is 25% more efficient than Joey?
Time taken is inversely proportional to efficiency : 
More Previous year papers Questions
- In 30 litres mixture of milk and water, the ratio of milk and water is 7:3. What would be the quantity of water to be added in the mixture in order to make...
- The ratio of number of boys to the number of girls in a school of 432 pupils is 5 : 4. When some new boys and girls are admitted, the number of boys increa...
- A vessel contains a solution of acid and water in the ratio 5 : 7. When 9 litres of the solution are taken out and the vessel is filled with equal quantity...
- If x = 7 + 4√3 and xy = 1, then the value of (1x2+1y2)(1x2+1y2) is -
- A, B and C are Accountants. A alone can file a return in 6 hours and B alone can file the same return in 10 hours. All three together can do it in 3 hours....
- Two bottles contain acid and water in the ratio 2:3 and 1:2 respectively. These are mixed in the ratio 1:3. What is the ratio of acid and water in the new ...
- A shopkeeper offers the following two discount schemes. A) Two successive discounts of 10% and 15% B) Buy 5 get 2 free. Which scheme has the maximum discou...
- From a circle with the radius of 15.75 cm, a sector with the arc length of 11 cm is cut off. Find the area (in cm²) of this sector.
- Three numbers are in the ratio 1 : 2 : 3. By adding 5 to each of the numbers then the ratio changes to 2 : 3 : 4. The smallest number is:
- In a triangle ABC, P and Q are points on AB and AC, respectively, such that AP = 1 cm, PB = 3 cm, AQ = 1.5 cm, and CQ = 4.5 cm. If the area of D APQ is 12 ...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
