Question:
A candle of height 10 cm burns at the rate of 2 cm/hr initially. After it has burnt 20%, the rate increases to 3 cm/hr. Then, after it has burnt 50%, the rate of burning changes again such that it takes 2 hours for the remaining candle to burn up completely, then what is the overall average rate at which candle gets burnt?
A candle of height 10 cm burns at the rate of 2 cm/hr initially. After it has burnt 20%, the rate increases to 3 cm/hr. Then, after it has burnt 50%, the rate of burning changes again such that it takes 2 hours for the remaining candle to burn up completely, then what is the overall average rate at which candle gets burnt?
Updated On: Oct 22, 2024
- 2.6 cm/hr
- 2.7 cm/hr
- 2.4 cm/hr
- 2.5 cm/hr
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The correct answer is (D),2.5 cm/hr
Was this answer helpful?
0
0
Top Questions on Time Speed and Distance
- Two places A and B are 45 kms apart and connected by a straight road. Anil goes from A to B while Sunil goes from B to A. Starting at the same time, they cross each other in exactly 1 hour 30 minutes. If Anil reaches B exactly 1 hour 15 minutes after Sunil reaches A, the speed of Anil, in km per hour, is
- CAT - 2024
- Quantitative Aptitude
- Time Speed and Distance
- A bus leaves the bus stand at 9 am and travels at a constant speed of 60 km/h. It reaches its destination 3.5 hours later than its original time. The next day, it travels \( \frac{2}{3} \) of its route within \( \frac{1}{3} \) of its initial time and travels the rest of the route within 40 minutes. At what time does it reach its destination normally?
- CAT - 2024
- Quantitative Aptitude
- Time Speed and Distance
- Two points A and B are 45 km apart. Anil started from A. Sunil started from B. They met each other after 1 hour 30 mins. and after meeting, they continued towards their destinations. Time taken by Anil to reach Point B was 1 hr 15 mins more than the time taken by Sunil to reach point A. Find speed of Anil
- CAT - 2024
- Quantitative Aptitude
- Time Speed and Distance
- A bus leaves city A at 11:20 am and arrives at city B 240 km away at 4:20 pm on the same day. What is the average speed of the bus for the journey?
- KMAT KERALA - 2024
- Quantitative Aptitude
- Time Speed and Distance
- If Jack walks at 4 kmph he reaches the bus stop 10 minutes late. Starting from home at the same time, if he walks at 6 kmph, he reaches the bus stop 5 minutes early. What is the distance she walks to the bus stop?
- KMAT KERALA - 2024
- Quantitative Aptitude
- Time Speed and Distance
View More Questions
Questions Asked in ATMA exam
- Select one of the following four options that will make the 2nd pair analogous to the 1st pair given.
( 1 @ 3 @ 6) : 100 :: ( 2 @ 3 @ 5) : ?- ATMA - 2021
- Analogy
- Identify the synonym of the given word:
ABSOLUTE- ATMA - 2021
- Synonyms
- Fil in the blanks with the correct option.
There is____butter left . We need to buy___more.- ATMA - 2021
- Fill in the Blanks
- Fil in the blanks with the correct option.
Would you like______bread?- ATMA - 2021
- Fill in the Blanks
- Fil in the blanks with the correct option.
Idon't want my friends to have______to complain over this cake, so Iwil give it my best shot.- ATMA - 2021
- Fill in the Blanks
View More Questions