One night 18 percent of the female officers on a police force were on duty. If 180 officers were on duty that night and half of these were female officers, how many female officers were on the police force?
A. 90
B. 180
C. 270
D. 500
E. 1000
NSUSUMMERসাধারণ গণিতবীজগণিতীয় রাশিবীজগণিতীয় রাশি (Topic Practice)NSU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
D.
500
Explanation:
Related Questions (Any University/Year)
- Logarithm tables were invented by-
- (6^5 -6^4)/5=
- A jar contains marbles of four different colors . The number of blue marbles is 3 times as many as the yellow ones. The number of red marbles is half that of the yellow ones. The number of orange marbles is equal to the number of red ones . What percent of the marbles are orange colored ?
- If V=12R/(r+R), then R=?
- একটি সংখ্যা থেকে সংখ্যাটির ৪০% বিয়োগ করলে ৩০ থাকে । সংখ্যাটি কত?
- If x/y = 2 then (x - y)/x =?
- x4-x2+0=0 হয়, তবে x2+1x2=?
- ১৫, ২০, ২৫ এর ল.সা.গু. কত?
- 28x +1426=three fourths of 2984. find X.
- If 9b= 81, then 3×3b=?
- x6+2=x2 হলে x এর মান নিচের কোনটি ?
- a-1a=3 হলে a2+1a2 এর মান কত?
- জামাল এবং কামালের বয়সের অনুপাত ২ : ৩। ১২ বছর পর তাদের বয়সের অনুপাত হবে ১১ : ১৫। এখন কামালের বয়স কত?
- দুটি মেশিন একসাথে ঘণ্টায় ৪ টি খেলনা তৈরি করে । ৬ টি মেশিন ২ ঘণ্টায় কতটি খেলনা তৈরি করবে?
- A person needs to pay Tk. 500 to buy pencils and Tk. X for any additional unit of pencil. If the coustomer pays a total of Tk. 4,700 for 1200 pencils, what is the value of X?
- 3x+4=2x+6 হলে x এর মান কত?
- If x = -1 , then x6-x5+x3+x2-x1-x=?
- Computer Games Plus needs to get rid of its copies of an old computer game. If it lowers the cost of the old computer game by $5 dollars, it can increase sales of the old computer game by 10 units and still generate exactly $100 of revenue from the old game. How many units of the old computer game did Computer Games Plus sell after implementing the new selling strategy?
- logx181=-4 হলে x এর মান কত?
- If x is not a negative number , what is the maximum possible value of 22-3x?
- Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?
- If 7x-4y=-1 and 5x + 3y = 52, then x-y=
- একটি মার্চ 25% লাভে বিক্রি করা হলে উহার ক্রয়মূল্য ও বিক্রয়মূল্???ের অনুপাত নির্ণয় করুন।
- If the salary of an employee is reduced by 10 percent for his late attendance and then increased by 10 percent on a pardon , how much does he lose?
- আমজাদ সাহেবের বাৎসরিক আয় ৫৭৬০ । তিনি ৩ মাসে যা খরচ করেন , ২ মাসে তা আয় করেন। বৎসর শেষে তিনি কত টাকা সঞ্চয় করেন?
- If 5 years ago, Jamil was half as old as he is now, how old will he be in x years?
- If kabir loses 8 pounds , he will weigh twice as much as his sister, Together they now weigh 278 pounds What is Kabir's present weight , in pounds?
- One night 18 percent of the female officers on a police force were on duty. If 180 officers were on duty that night and half of these were female officers, how many female officers were on the police force?
- 32% students from a class dropped out. 3% of them went abroad. If 60% of them are in probation and the remaining 12 are not in probation, how many students from the class are in probation?
- A farmer can pick 12 cabbages in one hour. Working at the same rate, how long in hourswould it take two farmers to pick 48 cabbages.
- Which of the following equations is not equivalent to 25x2=y2-4
- X CDs can be purchased for Tk.y. How many CDs can be purchased with Tk. Z
- Three partners shared the profit in a business in the ratio 5 : 7 : 8 . They had partnered for 14 months, 8 months and 7 months respectively . What was the ratio of their investment ?
- একটি সংখ্যা ৩০১ হতে যত বড় ৩৮১ হতে তত ছোট। সংখ্যাটি কত?
- 3y+1=4y-2সমীকরণে y এর মান কত?
- Mixture X is 40 percent peanut and 60 percent hazel nut by weight-, mixture Y is 25 percent peanut and 75 percent cashew nut. If a mixture of X and Y contains 30. percent peanut, what percent of the weight of this mixture is X?
- When a certain number is divided by 7, the remainder is zero. If the remainder is not zero when that number is divided by 14, then the remainder must be------
- 35% of Nabila's income is equal to 25% of Nuru's income. The ratio of their income is
- If Mario was 32 years old 8 years ago, how old was he x years ago?
- সুমনের কাছে যে টাকা আছে তা দিয়ে সে ১৮ টি ডাকটিকিট ক্রয় করতে পারে ।যদি প্রতিটি ডাকটিকিটের মূল্য ৪ টাকা কম কত হত তাহলে সে আরো দুটি ডাকটিকিট বেশি ক্রয় করতে পারত । তার কাছে কত টাকা আছে ?
