Study the following bar graph and answer the questions.
The percentage increase in production of fertilizers in 2002 compared in that in 1995 is
The average production of 1996 and 1997 is exactly equal to the average production of the years ?
For the following questions answer them individually
The length of two parallel sides of a trapezium are 15 cm and 20 cm If its area is 175 sq.cm, then its height is :
A hemispherical bowl has internal radius of 6 cm. The internal surface area would be: $$(take\ \pi -3.14)$$
A train 156 m long passes a km stone in 30 seconds and another train of the same length travelling in opposite direction in 10 seconds. The speed of the second train is
If water is freezed to become ice, its volume is increased by 10%, then if the ice is melted to water again, its volume will be decreased by:
The simplified value of following is:
$$(\frac{3}{15}{a^5b^6c^3}\times\frac{5}{9}{ab^5c^4})\div\frac{10}{27}a^2bc^3$$