Titas Gas Transmission and Distribution Co. Ltd. MCQs
Showing 5 questions (Total: 55)
For which values of x is the value of (x2-6x+8) negativ?
Correct Answer:
A: 2
Explanation:
For which values of x is the value of (x2-6x+8) negativ? Correct Answer 2 অপশন টেস্ট হতে পাই, (ক) 2 < x < 4 এর জন্য x এর মান 3 হলে x2 - 6x + 8 = (3)2 - 6.3 + 8 = 9 - 18 + 8 = 17 - 18 = - 1 যা নেগেটিভ।
A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:
Correct Answer:
C: 9:5
Explanation:
A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is: Correct Answer 9:5 খরগোশের 3 লাফ = কুকুরের 1 লাফ .:. খরগোশের 1 লাফ = কুকুরের 113লাফ .:. খরগোশের 5 লাফ = কুকুরের 53 লাফতাহলে কুকুরের গতিবেগ : খরগোশের গতিবেগ = 3: 53 = 9:5
The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older than him. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
Correct Answer:
A: 23
Explanation:
The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older than him. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team? Correct Answer 23 মনেকরি, টিমের সদস্যদের বয়সের গড় x বছর .: অধিনায়ক ও উইকেট রক্ষক বাদে অন্য 9 জনের গড় = (x - 1) বছর দেওয়া আছে, অধিনায়কের বয়স = 26 বছর .:. উইকেট রক্ষকের বয়স = 26 + 3 = 29 বছর প্রশ্নমতে, 9 (x - 1) + 26 + 29 = 11x ⇒ 9 x - 9 + 26 + 29 = 11x ⇒ x = 23
In a market suvey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720 . How many individuals were covered in the survey?
Correct Answer:
B: 1800
Explanation:
In a market suvey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720 . How many individuals were covered in the survey? Correct Answer 1800 মনে করি, হেঁটে যায় = x km .:. সাইকেলে যায় = (61 - x) km প্রশ্নমতে, x4 + 61 - x9 = 9⇒ 9x + 244 - 4x36 = 9⇒ 5x + 244 = 324⇒ 5x = 80⇒ x = 16 km
The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?
Correct Answer:
D: 1680
Explanation:
The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month? Correct Answer 1680 মনেকরি, নির্ধারিত সর্বনিম্ন চার্জের পরিমাণ = x টাকা এবং প্রতি ইউনিট বিদ্যুতের দাম = y টাকা প্রশ্নমতে, 540y + x = 1800.......... (i) 620y + x = 2040.......... (ii) (i) - (ii)⇒ - 80y = - 240 ⇒ y = 3 .: (i) ⇒ 540 x3 + x = 1800 ⇒1620 + x = 1800 ⇒ x = 1800 - 1620 ⇒ x = 180 .: 500 ইউনিটের জন্য মোট খরচ = 180 + (500 × 3) = 180 + 1500 = 1680 টাকা