0.640636574074074
২১ : ১৫ : ৯১
0.886168981481481
১৫ : ২১ : ৩৯
Source: ১৪ তম শিক্ষক নিবন্ধন (স্কুল সমপর্যায়-২) (25-08-2017)
Answer: 0.640636574074074
Explanation:
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দুইটি সংখ্যার অনুপাত ৫ : ৮। উভয়ের সাথে ২ যোগ করলে অনুপাতটি ২ : ৩ হয়। সংখ্যা দুইটি কি কি?
In a 500 m race the ratio of the speeds of two contestants Ajmal and Badal is 3:4 . If Ajmal has a head start of 140 km then Ajmal wins by-
The ratio of boys and girls in a club is 3 : 2 . Which of the following could be the actual number of members ?
দুটি বৃত্তের ব্যাসার্ধের অনুপাত ৪: ৫। বড় বৃত্তের ও ছোট বৃত্তের ক্ষেত্রফলের অনুপাত কত?
In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students. What is the ratio of the number of boys to the number of girls in the class?
A jar contains a mixture of oil and water in the ratio 22 :3 . 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?
Some money is divided amongst three workers A ,B and C such that 5 times A's share is equal to 12 times B's share which is equal to 6 times C's share. The ratio between the shares of A ,B and C is?
Akash bought two varieties of rice, costing Tk. 50/kg each, and Tk. 60/kg each, and mixed them in some ratio. Then he sold the mixture at Tk. 70/kg. making a profit of 20%. What was the ratio of the mixture?
A certain company that sells only cars and trucks reported that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If total revenues from car sales and truck sales in 1997 were up 1 percent from 1996, what is the ratio of revenue from car sales in 1996 to revenue from truck sales in 1996?
Two-fifths of the caps in a box are red, one-fourth are blue and the rest are green. What is the ratio of the green caps to the blue caps?
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You should read | Topic
গানের রচয়িতা ও সুরকার
শতকরা ও লাভ-ক্ষতি (Percentage and Profit and loss)
Number and Gender
মানুষিক দক্ষতা
পদ প্রকরণ
নাটক
গড় (Average)
One Word Substitution
সময়, দূরত্ব ও গতিবেগ (Time, distance & speed)
ধ্বনি, বর্ণ ও ধ্বনি পরিবর্তন
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