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?
A. 6
B. 7
C. 8
D. 9
E. none of these
সঠিক উত্তরঃ
B.
7
Explanation:

Related Questions (Any University/Year)
- Total number of telephone calls is 'n' call charge is Tk. 'p' per call. Then total call charge is:
- A boy read 3/8th of a book on one day and 4/5th of the remainder on another day. If there were 60 pages unread, how many pages did the book contain?
- There are 12 men on basketball team , and in a game 5 of them play at any one time. If the game is 1 hour long and if each man plays exactly the same amount of time, how many minutes each man play?
- Rashid deposits Tk. 1200 from his salary in the first month. In every subsequent month, he deposit Tk. 100 more than the amount deposit in the previous month. What will be the total amount of his deposit in 18 months?
- Average of 5 consecutive even numbers is 8, Which is the smallest of the 5 number
- 80 apples were stored in two baskets in such a way that 6 times the content of the larger basket is 16 more than 10 times the content of the smaller basket. How many apples were stored in the smaller basket?
- ক ও খ একটি কাজ ১২ দিনে করতে পারে। ক একা কাজটি ২০ দিনে করতে পারে। খ একা কাজটি কতদিনে করতে পারবে?
- A can complete a project in 20 days and B can complete the same project in 30 days. If A and B start working on the project together and A quits 10 days before the project is completed, in how many days will the project be completed?
- Which one of the following is greater than 2/37
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. Arif can do a work in 12 hours. Arif finished two-thirds of the work and the remaining portion of the work was done by Babu, whose rate of working is just 20% of what Arif can do. How long did it take Babu to finish the remaining work in hours?
- A competitor runs 200 meters race in 24 seconds. His rate is:
- 40% of students in a class are smart. The rest are stupid. Half the students play sports and half don't. If 20% of the students are smart and play sports, what percent of the students are stupid and don't play sports?
- 150 meter long train takes 10 seconds to pass a man who is going in the same direction at the speed of \(2~km/hr.\) what is the speed of the train?
- If the production is increased to 120 pieces per hour, the profit is:
- ঢাকা থেকে টাঙ্গাইলের দূরত্ব ৪৫ মাইল। করিম ঘণ্টায় ৩ মাইল বেগে হাঁটে এবং রহিম ঘণ্টায় ৪ মাইল বেগে হাঁটে। করিম ঢাকা থেকে রওয়ানার এক ঘণ্টা পর রহিম টাঙ্গাইল থেকে ঢাকা রওয়ানা হয়েছে। রহিম কত মাইল হাঁটার পর করিমের সাথে দেখা হবে?
- Tk 500 is divided among A, B and C so that A has twice as much as B and B has thrice as much as C. how much did B receive?
- If a man's weekly salary is Tk. P and he saves Tk. M, what friction of his weekly salary does he spend?
- Last year 7000 students took the admission test were the ratio of girls to boys was 6:4. Only 2% of the boys met the cut-off marks. The number of such boys was:
- The HCF of two numbers is 23 and the other two factors of their LCM are 13 and 14. The larger of the two number is
- If the product of (1+2), (2+3) and (3+4) is equal to one half the sum of 20 and x , then x=?
- The speed of a motor boat is 20 km/hr. for covering the distane of 15 km the boat took 1 hour more for upstream than downstream. Let speed of the stream be x km/hr, then speed of the motorboat in upstream will be-
- ফেনী থেকে নোয়াখালীর দূরত্ব ৪৫ মাইল। করিম ঘণ্টায় ৩ মাইল বেগে হাঁটে এবং রহিম ৪ মাইল বেগে হাঁটে। করিম ফেনী থেকে রওয়ানা হওয়ার ১ ঘণ্টা পর রহিম নোয়াখালী থেকে ফেনী রওয়ানা হয়েছে। রহিম কত মাইল হাঁটার পর করিমের সাথে দেখা হবে?
- A nut mixture consists of peanuts,pistachios and macadamia nuts in the ratio 5:3:2, recpectively,by weight.What amount of pistachios will be in 40 pounds of the mixture?
- A sport goods store ordered an equal number of white and yellow tennis balls. The tennis ball company delivered 30 extra tennis ball, making the ratio of white balls to yellow balls 6:5, How many tennis ball did the sport goods store originally order?
- Three workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job alone?
- Hisham can now purchase 5 more apples with Tk. 75 because of reduction in price by 20%.Calculate the previous price of one dozen of apples.
- In a season, a football team has won 30 games out of 50 played. It has 46 more games to play. How many of these must the team win to make Its record or wins 75% of season?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- If x # 0, then (x+7)/7x-1/x=?
- If coconuts are twice as expensive as bananas and bananas are one-third as expensive as grapefruits, what is the ratio of the price of one coconut to one grapefruit?
- If two times of the daughter's age in years is included to the mother's age, the total is 70 and if two times of the mother's age is included to the daughter's age the total is 95. So the Mother's age is -
- there are 18 bananas on a tree. If one monkey eats 1/3 of bananas and another monkeys eats 1/3 of the rest. How many bananas are still on the tree?
- দুইটি ক্রমিক সংখ্যার বর্গের পার্থক্য ১৯। তার মধ্যে একটি সংখ্যার বর্গমূল ৩ হলে অন্যটি কত?
- If a man's weekly salary is Tk. P and he saves Tk. M, what faction of his weekly salary does he spend?
- ৬ হচ্ছে একটি সংখ্যার ২৪%, তাহলে একই সংখ্যার ৪০ হবে?
- If the average of five distinct positive integers is 10, what is the difference between the largest and the least possible values of the greatest of the five integers?
- চিত্রে DE || BC. একটি ত্রিভুজ ADE এর ক্ষেত্রফল DECB ট্রাপিজিয়ামের ক্ষেত্রফলের অর্ধেক হলে AE : AC কত?
- An amount of money is to be distributed among P, Q and R in the ratio of 6:19:7 respectively. If R gives Tk. 200 of his share to Q. the ratio among P, Q and R becomes 3:10:3 respectively. What was the total amount in taka?
- A' B' এর চেয়ে দ্বিগুণ কাজ করতে পারে; তারা দু’জন একত্রে একটি কাজ ১৪ দিনে শেষ করতে পারে। 'A' একা কাজটি কতদিনে করতে পারবে?
- An absent minded scientist walks on an escalator at a rate of 4 steps per second and reaches the other end in 15 seconds. While coming back, walking at the same speed he reaches the starting point in 45 seconds. What is the number of steps on the escalator?