The following table shows the production of food grains (in million tonnes) in a state of India for the period 2001-2005. Analyse the table and answer the questions.
| Production (in million tonnes) | |||||
|---|---|---|---|---|---|
| Years | Wheat | Rice | Maize | Grams | Total |
| 2001 | 570 | 170 | 160 | 350 | 1250 |
| 2002 | 610 | 220 | 224 | 400 | 1454 |
| 2003 | 560 | 240 | 228 | 425 | 1453 |
| 2004 | 670 | 310 | 400 | 435 | 1815 |
| 2005 | 870 | 250 | 320 | 520 | 1960 |
| Total | 3280 | 1190 | 1332 | 2130 | 7932 |
During 2005, the percentage of decrease in production of Maize as against the previous year was
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 20%
A percentage decrease is worked out on the value of the earlier year, here the Maize production of 2004.
Maize in 2004: 400 million tonnes; in 2005: 320 million tonnes
Decrease \(=400-320=80\) million tonnes
Percentage decrease \(\displaystyle =\frac{80}{400}\times100=20\%\)