"The Earth's climate changes. It is vastly different now from what it was 100 million years ago when dinosaurs dominated the planet and tropical plants thrived in high latitudes. It is different from what it was even 18,000 years ago, when ice- sheets covered much more of the northern hemisphere. In the future it will surely continue to evolve. In part the evolution will be driven by natural causes, such as slow changes in the Earth's orbit over many thousands of years. But further climatic change, unlike that of the past, will probably have another important source as well: human activities." The writer says that-.

1.The ratio of the number of freshmen to sophomores to juniors to seniors on a College football team is 4:7:6:8. What percent of the team ar sophomores?

Bangladesh University of Professionals (BUP) · 2016

2.What is the cost in taka to put tiles in a room of x yards long and y yards wide, if the tile costs 10 taka per square foot?

Bangladesh University of Professionals (BUP) · 2016

3.If joe is now x years old and Marie is 6 years older than joe, which of the following gives Marie's age 8 years ago?

Bangladesh University of Professionals (BUP) · 2016

4.How many meters of fencing are needed to enclose a circular flower bed the radius of which is 7 meters?

Bangladesh University of Professionals (BUP) · 2016

5.if the average of p and q is 7 and r=13, what is the average of p,q and r ?

Bangladesh University of Professionals (BUP) · 2016

6.8% of 0.06= ?

Bangladesh University of Professionals (BUP) · 2016

7.How many prime numbers are there between 45 and 72?

Bangladesh University of Professionals (BUP) · 2016

8.if x = -1 then ( x$^4$ +x$^3$ +x$^2$ ) = ?

Bangladesh University of Professionals (BUP) · 2016

9.A trader incurs a loss of 10% from selling an item. If the selling price was Tk. 200 more, he would have made a profit of 15%. What was the cost of the item?

Bangladesh University of Professionals (BUP) · 2016

10.If the price of an item increases from Tk. 5 to Tk. 8 , the old price is what % of the new price?

Bangladesh University of Professionals (BUP) · 2016

11.Three years back, a father was 24 years older than his son. at present the father is 5 $\times as old as the$ son. How old will the son be three years from now?

Bangladesh University of Professionals (BUP) · 2016

12.In a certain group, 12 of the children average are age 10 and eight are age 15 . What is the average of the ages of all the children in the group?

Bangladesh University of Professionals (BUP) · 2016