Related Questions

In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
ক 3200
খ 1200
গ 2400
ঘ 4800
The arithmetic mean of the 5 consecutive integers starting with 'p' is 'q'. What is the arithmetic mean of 9 consecutive integers that start with (p+2)?
ক 2+p+q
খ 2+q
গ 2q+2
ঘ 4+q
The sum of fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first fifteen terms of that arithmetic progression?
ক 300
খ 120
গ 150
ঘ 130
If the average (arithmetic mean) of x and y is 60 and the average(arithmetic mean)of y and z is 80,what is the value of(z-x)?
ক 40
If the average (arithmetic mean) of a,b, and c is 40, what is the average (arithmetic mean) of (3a+10), (3b+10), and (3c+10)?
ক 90
খ 120
গ 130
ঘ 150
Sohana's mathematics test had 75 problems i.e. 10 arithmetic, 30 algebra and 35 geometry problems each carrying I mark She answered 70% of the arithmetic, 40% of the algebra and 60% of the geometry problems correctly. She did not pass the test as she got less than 60% marks. How many more questions she would have needed to answer correctly to earn a 60% passing grade?
ক 5
খ 10
গ 15
ঘ 20
The word "capital" relates to-
ক hand
খ head
গ light
ঘ globe
The word cartography relates to
ক the process of making maps
খ the study of drawing cartoons
গ the science of carving
ঘ the study of carts
The word 'lexicography' relates to-
ক geography
খ psychology
গ dictionary
ঘ biology
The word 'Cartography" relates to -
ক The process of making maps.
খ The study of drawing cartoons.
গ The science of carving.
ঘ The study of curts.

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