The total price for a watch and a chain is Tk. 500. if the price of the watch increases by 10% and that of the chain by 5%, the total price becomes Tk 545. What is the price of the chain?
A. 75
B. 80
C. 100
D. 120
সঠিক উত্তরঃ
C.
100
Explanation:
Related Questions (Any University/Year)
- চিত্রে DE || BC. একটি ত্রিভুজ ADE এর ক্ষেত্রফল DECB ট্রাপিজিয়ামের ক্ষেত্রফলের অর্ধেক হলে AE : AC কত?
- 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?
- In a certain school, the ratio of Senior to Junior is 5:4, and the ratio of Senior to Sophomores is 6:5. What is the ratio of Junior to Sophomores?
- After paying a 10 percent tax on all income over $3,000, a person had a net income of $12,000. What was the income before taxes?
- 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-
- A bookstore lists a novel at such a price that after giving a discount of 30% on the listed price (including tax) it earns a profit of 40%. If enlisted price of the novel including tax is Tk. 460, then what is the cost price of the novel?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- একটি গাড়ির সামনের ও পেছনের চাকার পরিধি যথাক্রমে ৩ ও ৪ মিটার। গাড়িটি কত কিলোমিটার পথ অতিক্রম করলে সামনের চাকা পেছনের চাকার চেয়ে ১০০ বার বেশি ঘুরবে?
- In a certain class, 40% of the students are girls, and 20% of the girls wear glasses. What percent of the children in the class are girls who wear glasses?
- \(x=y-(50/y)\), where x and y are both positive numbers. If the value of y is doubled, the value of x will.
- During a particular day, x number of applicants came to IBA to submit their applications before lunch. Of them 70% were male applicants. On the same day, y number of applicants came to submit their application after lunch and all of them were male applicants. On that particular day , the ratio of male applicants to female applicants was 4:1. Calculate y in terms of x.
- A man purchased equal number of bananas at two different rates-one at the rate of 8 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?
- An investor has a total capital of TA. 13,00,000 He invested a part of it in 3 percent annual interest and the reminder at 4 percent annual interest rate. If his annual interest amount was Tk. 44.00 how much did he invest in each?
- The average mark obtained in four sections of today's admission test is 19. If the England section is removed, the average mark at the remaining three sections is 21. What is the mark in English
- Sally gets paid x dollars per hour for a 40-hour work week and y dollars for each hour she works over 40 hours. How much did Sally earn if she worked 48 hours?
- ব্যাংকে বিদ্যুৎ বিল দেওয়ার জন্য ৪০ জন লোকের একটি লাইন আছে যেখানে শুরু থেকে পঞ্চম স্থানে শাহীন এবং পিছন থেকে অষ্টম স্থানে জাহিদ দাঁড়িয়ে আছে। লাইনে আর কেউ না আসলে শাহীন ও জাহিদের মাঝে কতজন দাঁড়িয়ে আছে?
- Out of a total of 1,000 employees at a certain corporation, 52 percent are female and 40 percent of these females work in research. If 60 percent of the total number of employees work in research, how many male employees do NOT work in research?
- A train crosses a 300m long bridge at 5 m/s. If the time taken to cross the bridge was 2 minutes, what was the length of the train?
- If x #0, then (x+7)/7x-1/x = ?
- Two planes leave the same airport at 1:00 pm. How many miles apart will they be at 3.00 pm if one travels directly north at 150 mph and other travels directly west at 200 mph?