∠ABE = 25° and ∠EDC = 100° . What is the value of ∠DCE ?

A. 25°
B. 30°
C. 45°
D. 65°
E. None of these
সঠিক উত্তরঃ
E.
None of these
Explanation:
Related Questions (Any University/Year)
- How many singles did he take?
- The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- What percent of 50 is 15?
- A set of 6 flower vases of different sizes cost Base taka 825. Each vase costs 25 taka more than the next on below it in size. What was the cost of the largest vase?
- A monkey climbs a 12-meters-high slippery pillar. In his first minute, he climbs 2 meters, and in the next minute, he slips one meter down. In this way, how much time will he take to reach the top of the pillar? What is the correct
- Jasim went for shopping and spent 1/3 of his money for a bat and another Tk 5 for a ball. If Jasim still had1/2 of his money left, how much money did Jasim have originally?
- A train covers the distance y miles between two cities at a speed of x mph, arriving 2 hours late. What speed would permit the train to arrive on schedule?
- A rope cut into 3 pieces with each piece twice as long as the previous one. the length of longest piece is 3 meter, what was the length of the rope in meter?
- A merchant was selling an item at a certain price, then marked it down 20% for a spring sale. During the summer , he marked the item down another 20% from its spring price . If the item is sold at the summer price then, what percent of the original price did it sell for?
- Rahim has a business of renting out costume products. For each costume he rents out. Rahim receives a commission of Tk. 15 plus 20% of the rental price. During one particular Tk. 7,950 .What is the total amount of commission he received in that month.
- A train 75 meters long is running with a speed of 20 km/hr. it will pass a standing man in:
- If 8+ √k=15, then k = ?
- একটি প্রতিষ্ঠানের ৪০% কর্মচারী আন্ডারগ্রাজুয়েট অবশিষ্ট কর্মচারীদের ৫০% গ্রাজুয়েট এবং অবশিষ্ট ১৮০ জন পোস্ট গ্রাজুয়েট। প্রতিষ্ঠানটির কত জন কর্মচারী গ্রাজুয়েট?
- Gold is 19 times as heavy as water and Copper is 9 times as heavy as water. Calculate the ratio in which these two metals should be mixed so that the mixture is 15 times as heavy as water.
- A company rents parking spaces at the rate of TK. 100 per week or TK. 300 per month. How much does a person save in a year (in tk) by renting by month rather than by week?
- 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?
- Amir and Hannan working together can finish a work in 3 hours. If they work alone, Hannan takes 3 times as long as Amir. How long does Hannan take to finish the job alone?
- একটি সংখ্যা ৩০১ হতে যত বড় ৩৮১ হতে তত ছোট। সংখ্যাটি কত?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. Kalam takes 2 days more than what Zakir takes to produce x chairs. They work together for 6 days and produce 24x chairs. How many days will it take Kalam to produce 2x chairs?
- A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could not be the length of the fence in feet? ( 12 inches = 1 foot)
- A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation?
- If a boy takes as much time in running 10 min, a car takes in covering 25m, the distance covered by the boy's during the time the car covers 1 km is -
- In a certain apartment building exactly 1/3 of the apartments have two bedrooms and exactly 1/7 of the two-bedroom apartments are front apartments. Which of the following could be the total number of apartments in the building?
- X:Y=3:4 হয় 3Y-X:2X+Y কত হবে?
- After working for a total of 4 hours at a temporary job, Shams was told that you had just completed ¼ of the job. How long should it take you to finish the remaining part of the job?