যদি x : y=২ : ৩ এবং y : z=৪ : ৫ হয়, তাহলে x : y : z = ?
A. ২:৩:৫
B. ২:৪:৫
C. ৮:১২:১৫
D. ৪:৬:১০
সঠিক উত্তরঃ
C.
৮:১২:১৫
Explanation:
Related Questions (Any University/Year)
- If \( (x-1)^2 = 400 \) which of the following is the value of X-5?
- যদি 2 × 3 = 812, 4 × 5=1620 হয় তবে 6 × 7 = কত?
- what is the monthly salary of Rahman ? Statements : 1. Rahman's basic salary is Tk. 100 more Rajan's salary who also serves in Rahman's company. 2. Other allowances drawn by Rajan besides his basic salary are Tk. 2,000 per month which is TK. 50 less than Rahan's salary . 3. Rajan's basic salary is TK. 1550 per month.
- Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on the first stop?
- The average age of a man and his son is 20. After 10 years, their age will be in the ratio 2:1. What was the age of the man and his son 5 years ago respectively?
- A motorist travels x miles in y hours and z minutes. What is his average speed in miles per hour?
- The cost of two litres of Oil and its container is Tk. 100. If the cost of the container is Tk. 23 less than the cost of one litre of Oil, what is the cost of one litre of Oil?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- If one-third of one-fourth a number is 15, then three-tenth of that number is-
- 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?
- If the 8% tax on a cell amounts to 96¢, what is the final price( tax included) of the item?
- Two workers, working separately but at the same speed, take hours 40 minutes to complete a particular task, How long will one of these two workers take to complete the same task alone?
- 20% of 50 = 50% of?
- In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
- 9 numbers are written in ascending order, middle number is average of that nine numbers. Average of five larger numbers is 68 and also average of five smaller numbers is 44. What is the sum of all nine numbers?
- The ratio of labor cost and materials cost for making a radio is 2:7. If the cost price is 90% of the selling price which is Tk. X, what is the labor cost per radio?
- On a 400-mile trip, car X traveled half the distance at 40 miles per hour and the other half at 50 miles per hour. What was the average speed of car X?
- If a, b, and c are consecutive integers in that order, which has the lowest value?
- A waiter's salary consists of his salary and tips. During one month his tips were 5/4 of his salary. What fraction of his income came from tips?
- A tank contains 10,000 gallons of water. Each week 500 gallons of water evaporates from the tank. Water sells for $0.50 a gallon now, and the price of water increases by 5 cents a week. In dollars, what will the value of the water in the tank be x weeks from now?