There are 200 questions in a 3-hour examination. Among the questions are 50 mathematics problems. It is suggested that twice as much time be allowed for each mathematics problem as for each of the other questions. How many minutes should be spent on the mathematics problems?
A. 36
B. 60
C. 72
D. 100
E. 120
সঠিক উত্তরঃ
C.
72
Explanation:

Related Questions (Any University/Year)
- The sum of the weights of P and Q is more than that of R and S taken together.The wight of P is half as much as the sum of the weights of Q and S. The sum of the weights of P and R is the same as the wight of Q and S taken together. Which of the following statements must be incorrect?
- Average of 5 consecutive even numbers is 8, Which is the smallest of the 5 number
- The average of three numbers is 6 and the average of four numbers including the previous three numbers is 8. What is one half of the fourth number?
- One worker can do a job in M hours while it takes second worker N hours to do the same Job. How long does it take for both workers together to do the job?
- The quantity of water that should be added to reduce 10mI lotion containing 60% alcohol to a lotion containing 40% alcohol is
- A machine is producing 800 units per minute. If its productivity falls by a half percent, how many units will it produce now?
- If 2x+2x+2x+2x=2n, what is x in terms of n?
- A man purchased equal number of bananas at two different rates- one at the rate of taka per dozen and the other at the rate of 10 taka per dozen. After that, he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
- কঃখ =৩ঃ৫, খঃগ =৪ঃ৭, হলে, কঃগ = কত?
- Tk. 385 has been divided among A , B,C in such a way that A receive 2/9th of What B and C together receive . Then A's share is?
- A seller of pen was asking for such price that would enable him to offer 10% discount and sill make a profit of 20% on cost if the cost of pen was TK. 30, what was his asking price?
- Adnan pays 50% of a bill, Shafiq pays 40% of the remaining and the rest Tk. 120 is paid by Raiyan. How much did Adnan Shafiq Raiyan pay together?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- If (x -y=2) and (xy =3) , then (x + y =?)
- If one man or two women or three boys can finish a job in 66 days, then find out the number of days in which that work can be done by one man, two women, and three boys.
- Which of the following fractions is the smallest ?
- Helen runs a 30-mile course at a constant rate of 4 miles per hour. If Chinu runs the same track at a constant rate and completes the course in 90 fewer minutes, how fast did Chinu run?
- In a certain sock drawer, there are 4 pairs black socks, 3 pairs of back socks, 3 pairs of gray of gray socks and 2 pairs of corage socks. It socks removed at random without replaced, what is the minimum number of socks that must removes in order to ensure that two socks of the the same color have been removed?
- দুটি সংখ্যার গড় হচ্ছে 2x+1 , যদি একটি সংখ্যা x-2 হয়, হবে অন্য সংখ্যক কত?
- If the radius of a circle is increased by 6% , then the area of the circle is increased by-
- If 4 is subtracted from one-fourth of a number, the result is 20. Which of the following is the number?
- 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?
- A salesman makes a 20 percent commission on the selling price of each set of encyclopedias he sells. If he sells 12 identical sets of encyclopedias and makes $1,800 in commissions, what is the selling price of each set?
- a, b,c are positive numbers such that (3a=4b=5c). If (a+b =kc), what is the value of K?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. If \(x > y > 1\), which of the following must be greater than x?
- One City-bus charges BDT 'p' for the first half-kilometer of a trip and BDT 'p/8' for each additional half- kilometer. What is the charge for a trip whose distance in kilometers is the whole number 'q'?
- 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?
- 8 টি বানর 8 মিনিটে 8 টি কলা খায় , 3টি বানরের 3 টি কলা খেতে কত মিনিট লাগবে ?
- Arif can do a particular work in 1 hour while Asif can do the same work in 1.5 hours . On a particular day, they work together for half an hour, after which Arif left and Asif had to finish the rest of the work alone. How much time in minutes will Asif require to finish the rest of the work ?
- একটি প্রতিষ্ঠানের ৪০% কর্মচারী আন্ডারগ্রাজুয়েট অবশিষ্ট কর্মচারীদের ৫০% গ্রাজুয়েট এবং অবশিষ্ট ১৮০ জন পোস্ট গ্রাজুয়েট। প্রতিষ্ঠানটির কত জন কর্মচারী গ্রাজুয়েট?
- There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that at least two red socks have been chosen?
- In a survey of the town bogra , it was found that 65% of the people surveyed watched the news on TV, 40% read a newspaper and watched the news on TV, what percentage of the people surveyed neither watched the news on V nor read a newspaper?
- সম্পূর্ণ খালি একটি চৌবাচ্চা একটি পাইপ দিয়ে ৫ ঘণ্টায় সম্পূর্ণ ভর্তি করা হয়। দ্বিতীয় একটি পাইপ দিয়ে চৌবাচ্চাটি পূর্ণ করতে ৩ ঘণ্টা সময় লাগে। দুটি পাইপ একসাথে ব্যবহার করে চৌবাচ্চাটি ২৩ অংশ পূর্ণ করতে কত সময় লাগবে?
- There are four toys and they are of the same price. They worth $4.80. If the price for one is decreased by the fourth of the sum of other three toys, and two items of original price are added, then how much will six of them worth?
- The total age of father and son at present is 74 years. 10 years ago the ratio of their ages was 7:2. What will be the ratio of their ages after 10 years?
- One angle of triangle is four times the second angle and the third angle is 6 degrees more than the second angle. The second angle, in degrees, is
- 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 -
- যদি x+y=৫ এবং x-y=৫ হয়, তাহলে xy এর মান কত?
- 6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
- A man can travel 120 miles in either of 2 ways he can travel at a constant rate of 40 miles per hour, or he can travel halfway at 50 miles per hour, then slow down to 30 miles per hour for the second 60 miles. Which way is faster and by how much?