If a boy takes as much time in running 10 min, a car takes in covering 25m, the distance covered by the boy's during the time the car covers 1 km is -
A. 400
B. 40
C. 250
D. 650
সঠিক উত্তরঃ
A.
400
Explanation:
Related Questions (Any University/Year)
- The members of an association decided to contribute equally to create a fund of Tk. 45,000. Five members refused to contribute, so each of the other members had to contribute additional tk. 15 for that fund. How many members were there in the association?
- If the radius of a circle is increased by 50%, what will be the percent increase in the circumference of the circle?( Circumference= 2pr)
- ৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রীর গড় CGPA ৪.৭২। এই ৯০ জন ছাত্র-ছাত্রীর গড় CGPA কত?
- An error 2% in excess is made white measuring the side of a square. The percentage of error in the calculated area of the square is:
- Two hours after train A has started its journey, train B started from the same point to the same direction at a speed of 18 km/h. If the speed of train A is 9 km/h then how many hours would it take for train B to catch the first train?
- If x and y are integers and -6< x ≤ 7 and -3≤ y ≤ 9, then which of the following CANNOT be a value of xy?
- Successive discount of 25% and 20% are equal to a sings discount of-
- The price of sugar has increased by 32%. A family reduces its consumption so that the expenditure of sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, what is the current consumption of sugar per month (in kg)?
- A man traveled one-fourth of the total distance of his trip by car . He traveled the remaining distance on foot . The ratio of his walking time to driving time was 15:1 . Calculate the ratio of his driving speed to his walking speed .
- A shopkeeper marks an article at such a price that after allowing a discount of 30% on the tag price (including tax) he makes a profit of 40%. If the tag price of the article including tax is Tk. 460, then the cost price of that article is -
- Three persons A, B, C whose salaries together amount Tk. 7200, spend 80%, 85% and 75% of their salaries respectively. If their savings are 8:9:20. Find salary of B
- Fresh watermelon contains 90% water by weight whereas dry watermelon contains 20% water by weight. Ben buys 64 kg of fresh watermelon for 160\$. At what price should Ben sell the dry watermelon to get a profit of 20%.
- How many spokes are there in a wheel of a car. If any two spokes from an angle of 15?
- X sells a product of Y and makes a profit of 25%. Y sells it to Z at a loss of 20%. If Z buys it for tk. 140 what price X paid for it?
- Polash started 'a business on the first day of 2008. Qader joined the business of Polash on partnership contract with double investment of Polash on July 1 of 2008. Sohel, on the first day of September 2008, joined the partnership business of Polash and Qader with thrice the investment of Polash. The firm earned a profit of Tk. 72,000 on 31st December, 2008. What will be the share of profit of Sohel?
- A company rents parking spaces at the rate of TK. 100 per week or TK. 300 per month. How much does a person save in a year (in tk) by renting by month rather than by week?
- Mr. Cutlur usually makes a 45% profit on every radio he sells. During a sale, he reduces his margin of profit to 40%, while his sales increase by 10%. What is the ratio of his new total profit to the original profit?
- জুয়েলের বয়স তার পুত্র সুমন এর বয়সের দ্বিগুণ ।১০বছর পূর্বে তাদের বয়সের অনুপাত ছিল ৮:৩ । জুয়েল এর বর্তমান বয়স কত ?
- Monti always jogs to school at a speed of 6 km/h , walks home along the same route at a speed of 3 km/h. If he spend exactly 1 hour Total traveling both ways, how many km is his school from his home?
- What is the value of 'x'? I. \(7^{1/x} + 24^{1/x} = 25^{1/x}\). II. x is a non-negative integer