The speeds of three cars are in the ratio 2 : 3 : 5. The ratio of the times taken by these cars to travel the same distance is
A. 2:3:5
B. 3:2:5
C. 4:6:10
D. 15:10:6
E. 5:6:7
সঠিক উত্তরঃ
D.
15:10:6
Explanation:

Related Questions (Any University/Year)
- Sonia travels to IBA from Uttara by car at a speed of 40 km per hour and returns to Uttara at a speed of 30 km per hour by an auto rickshaw. What is her average speed in the entire journey in km/hour?
- যদি y(x-1)=z হয়, তবে x=?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- Thirty percent of the members of a swimming club have passed the lifesaving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not. How many members are there in the swimming club?
- Alam bought a roll of crepe paper streamers 35 feet long and 4 feet wide to make banners for a party . If each banner is 2 1/2 feet long and 2 feet wide, what is the maximum number of banners that he can make from this roll?
- Which one of the following is the minimum value of the sum of two integers whose product is 36?
- Karim takes 2 days longer than Rahim to produce x units of products. At these rates, Karim & Rahim together take 2 days to produce \(5/6^{th}\) of x units. How many days would Karim take to produce 3x units of this product?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- If it takes 5 minutes to boil an egg, how much time it will take to boil 10 eggs?
- There were n books in a store. After 1/6th of the books were sold and 5 more books were procured, the total number of books in the shop stood at 65. What was the original number of books in the shop?
- A box contains 24 red socks and 43 green socks. How many green socks must be removed from the box so that 60% of the socks in the box will be green?
- 50% of = 250
- If 25% of x equals 30% of y and 24% of y equals 20% of z, what is the ration of x to z?
- After 2 females leave a party there are twice as many males as females. Then 9 males leave the party and there are twice as many females as male. How many females attended the party?
- How much will it cost to fence a field that is 12 feet long and 42 feet wide with fence that costs tk 10 a yard?
- The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is
- In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560, what is the sum of the last 5 integers in the sequence?
- The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 nuns. what is his highest score?
- Fine for carpool lane violation is \(133. Bench warrant for \(229.25 includes 15% fee. How many unpaid tickets?
- যদি একজন পুরুষ অথবা দুইজন মহিলা অথবা তিনজন বালক একটি কাজ ৬৬ দিনে শেষ করতে পারে, তবে কত দিনে ১ জন পুরুষ, ২ জন মহিলা ও ৩ জন বালক ঐ কাজটি সম্পন্ন করতে পারবে?
- Two men P and Q Start from a place walking at 5 km /hr and 6.5 km/hr, respectively . What is the time they will take to be 92 km apart , they walk in opposite directions?
- In a room, all except 18 of the people are above 50 years of ages. If 15 of the people in the room are under 50 years of age. How many people are in the room?
- If a family was randomly picked from the families in the previous question, what is the probability (approximately) of that family having working mothers as member?
- In a model high school, Physics course is divided into two sections. In section A, average score in the final exam was 92, while in section B, the average score was 84. If the average score of all 40 students in the course was 89, how many students are in Section A?
- একটি সংখ্যা ৩০১ হতে যত বড় ৩৮১ হতে তত ছোট। সংখ্যাটি কত?