Related Questions

In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers ?
A 3
B 6
C 9
D 24
Rahim has invited his three buddies over to watch the basketball game on his wide-screen television. They are all hungry, but no one wants to leave to get food. Just as they are arguing about who should make the food run, a commercial comes on for a local pizzeria that delivers. The phone number flashes on the screen briefly and they all try to remember it. By the time Zachary grabs a pen and paper, each of them recollects a different number.i. All of the men agree that the first three numbers are 995.ii. Three of them agree that the fourth number is 9.iii. Three agree that the fifth number is 2.iv. Three agree that the sixth number is 6; three others agree that the seventh number is also 6.Which of the numbers is most likely the telephone number of the pizzeria?
A 995-9266
B 995-9336
C 995-9268
D 995-8266
In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
A 3
B 2
C 2.5
D 3.5
The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers. What is the difference between the first and the third of these three numbers?
A 15
B 45
C 60
D None of these
The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers . what is the difference between the first and the third of these three numbers?
A 15
B 45
C 60
D None of them
The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers .what is the difference between the first and the third of these three numbers?
A 15
B 45
C 60
D None of these
Of the three numbers, the average of the first number and the second number is 37 more than the average of second number and third number. What is the difference between the first and the third number?
A 74
B 73
C 37
D cannot be determined
৭০ লিটার অকটেন-পেট্রোল মিশ্রণে পেট্রোল ও অকটেনের অনুপাত ৫ঃ২ । এই মিশ্রণে আর কত লিটার অকটেন মিশালে পেট্রোল ও অকটেনের অনুপাত ২ঃ১ হবে?
A ৫
B ৭
C ১০
D কোনোটিই নয়
পানি ও চিনির একটি মিশ্রণে পানি ও চিনির অনুপাত ৮ঃ৩। যদি এটাতে ২ কেজি চিনি যোগ করা হয় তাহলে তাদের অনুপাত হয় ২ঃ১। মূল দ্রবণে চিনির পরিমাণ কত কেজি ছিল ?
A ৪
B ৪.৫
C ৬
D ৫
দুইজন অংশিদার মুনাফা বন্টন অনুপাত ২ঃ১ । তৃতীয় জনকে ১/৫ অংশ মুনাফা বন্টনের চুক্তিতে তারা ব্যবসায়ের নতুন অংশীদার হিসেবে গ্রহণ করলে, মুনাফা বন্টনের নতুন অনুপাত কত হবে ?
A ২ঃ১ঃ৫
B ২ঃ১ঃ১
C ৮ঃ৪ঃ৩
D ৪ঃ১ঃ৫

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