In a room, all except 18 of the people are above 50 years of ages. If 15 of the people in the room are under 50 years of age. How many people are in the room?
A. 27
B. 30
C. 33
D. can't be determined
Explanation:
Related Questions (Any University/Year)
- If a 60 ml of water contains 20% of chlorine, how much water must be added in order to create a 12.5% chlorine solution?
- In a class 60% of the students enrolled for Math and 70% enrolled for Economics... what % of the students of the class did not enroll for either of the two subjects?
- অমিত ৪০০ কেজি ধান পেয়েছে, প্রতি কেজি ধানে ৭০০ গ্রাম চাল হলে,সে কি পরিমাণ চাল পেল?
- The price of sugar has increased by 32%. A family reduces its consumption so that the expenditure of sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, what is the consumption of sugar per month ( in kg )?
- A man has Tk. 192 in one taka, five taka and ten taka notes. If he has equal number of notes of each type, the total number of notes will be.
- এক মণ ধানে চাল ও তুষের ৭:৩ হলে এতে শতকরা কি পরিমাণ চাল আছে?
- তোমার নিকট 52 গ্রাম ও 116 গ্রাম ওজনের অনেকগুলো লোহার বার আছে। এগুলোকে দাঁড়িপাল্লার উভয় প্রান্তে ব্যবহার করে সর্বনিম্ম কত গ্রাম ওজনের জিনিস মাপা যেতে পারে?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- A person spends 20 percent of his monthly salary for his son's education, In the coming month, he is expected to get an increment also for his son's education, The total he would spend then for his son's education would be Tk. 645. What is the present salary of that person?
- 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?
- Working independently, Sourodip can perform a certain task in 6 hours and Eshanee can perform it in 7 hours. If Sourodip and Eshanee work together for 3 hours, and then Sourodip leaves, how many hours will it take Eshanee to complete the task alone?
- Which one of the following is greater than 2/37
- A cashier reversed the digits of one customer's correct amount of change and thus gave the customer an incorrect amount of change. If the cash register contained Taka 45 more than it should have as a result of this error, which of the following could have been the correct amount of change in Taka?
- The length ofa rectangle is 4 times its width. The rectangle is covered with 216 pieces of blocks each having an area of 1.5 sq. com. What is the length of the rectangle?
- Thirty percent of the members of a swimming club have passed the lifesaving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not. How many members are there in the swimming club?
- Average of 5 consecutive even numbers is 8, Which is the smallest of the 5 number
- In a pickup van, in addition to 50 hens, there are 45 goats and 8 camels with some keepers. If the total number of their feet be 224 more than the number of their heads in the van, find out the number of keepers in the van.
- In making a radio set the cost of labor and materials are in the ratio of 3:2 . A manufacturer sells a set for TK 1,500 to make a gain of 25% on the cost. What is the cost of the materials for the set?
- 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 fastest workers to do the job alone?
- If 1/x+5/y4/3 and x = 3y, then y = ?