Related Questions

The word "contraception" refers to ______ . 
ক hygienic lifestyle
খ birth control
গ maternity
ঘ parenthood
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
ক Unsaturated hydrocarbon content
খ Calorific value
গ Quantity of propane
ঘ Quantity of butane
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 mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?
ক 18.50
খ 17.75
গ 18.75
ঘ 18.25
The largest natural number, which exactly divides the product of any four consecutive natural numbers, is :
ক 6
খ 12
গ 24
ঘ 120
A simple spring-mass vibrating system has a natural frequency of $${{\text{f}}_{\text{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
ক $$\frac{{{{\text{f}}_{\text{n}}}}}{2}$$
খ $$2{{\text{f}}_{\text{n}}}$$
গ $$4{{\text{f}}_{\text{n}}}$$
ঘ $$8{{\text{f}}_{\text{n}}}$$
What is the arithmetic mean of the first 100 natural numbers?
ক 50
খ 50.5
গ 51
ঘ 51.5
"Origin of species by mean of natural selection" বইতে বিবর্তন সম্পর্কিত মতবাদ কে প্রকাশ করেন?
ক হ্যাক্সলে
খ ডেমোক্রেটিস
গ রবার্ট ডারউইন
ঘ ল্যামার্ক
What is the mean of first hundred natural numbers?
ক 50
খ 50.5
গ 51.5
ঘ 51
In which of the following sentence the word 'come' is used to mean is mean is bangla 'পাওয়া'?
ক I came across the lame on the way
খ How did you come by this picture?
গ He course of a respectable family
ঘ How did the accident come about?

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