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
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
বাংলায় সেন বংশের (১০৭০ - ১২৩০ খ্রিষ্টাব্দ) শেষ শাসনকর্তা কে ছিলেন?
A হেমন্ত সেন
B বলাল সেন
C লক্ষণ সেন
D কেশব সেন
In 1070 a large part of the federal district was-
A Seashore
B village squares
C Qilderness
D a flourishing port
The average of eight numbers in 14. The average of six of these numbers 16. The average of the remaining two numbers is 16. The average of the remaining two numbers is-
A 4
B 8
C 16
D Data inadequate
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?
A 1950
B 1560
C 1840
D 1680
An amount of money becomes Tk. 1,860 at an interest rate of 8% in 3 years . How many years the money would take to become Tk. 2040 at the same interest rate?
A 4.5
B 5
C 6
D 7.5
An amount of money becomes Tk. 1,860 at an interest rate of 8% in 3 years. How many years the money would take to become Tk. 2040 at the same interest rate?
A 412
B 712
C 512
D 6
The average of a set of 12 numbers, which includes 35, is N. If 35 is removed from the set and 38 is added to the set, then what is the average of the new set of numbers in terms of N ?
A N + 1/3
B 12 N +3
C N +1/4
D N +3
The average of a set of 12 numbers, which includes 34, is A. If 34 is removed from the set and 38 is included to the set , what is the average of the new set of numbers in terms of A ?
A A+4
B A+1/3
C 12 A+4
D (A+38)/12

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