For the following questions answer them individually
If the base radius of 2 cylinders are in the ratio 3 : 4 and their heights are in the ratio 4 : 9, then the ratio of their volumes is:
A train crosses a pole in 12 sec, and a bridge of length 170 m in 36 sec. Then the speed of the train is:
If '+' means '-', '-' means '+', '$$\times$$' means '$$\div$$', and '$$\div$$' means '$$\times$$', then the value of $$\frac{42 - 12 \times 3 + 8 \div 2 + 15}{8 \times 2 - 4 + 9 \div 3}$$ is:
A shopkeeper marks the price of the article in such a way that after allowing 28% discount, he wants a gain of 12%. If the marked price is ₹224. then the cost price of the article is:
₹4,300 becomes ₹4,644 in 2 years at simple interest. Find the principle amount that will become ₹10,104 in 5 years at the same rate of interest.
Out of 6 numbers, the sum of the first 5 numbers is 7 times the $$6^{th}$$ number. If their average is 136, then the $$6^{th}$$ number is:
If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%,then the area of the rectangle increases by x%. Then the value of x is:
The area of $$\triangle$$ ABC is 44 $$cm^2$$. If D is the midpoint of BC and E is the mid point of AB,then the area (in $$cm^2$$) of $$\triangle$$BDE is:
The given table shows the number (in thousands) of cars of five different models A, B, C, D and E produced during Years 2012-2017. Study the table and answer the question that follow.
In the year 2015, which type of car constitutes exactly 20% of the total number of cars produced that year?