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The total number of trees planted by NGOs A and B together in Bihar was approximately what percentage of the total number of trees planted by NGOs B and C together in Punjab?

Correct Answer: 95%
$$\eqalign{& \text{Required %} \cr& = \left(\frac{100+60}{80+88}\times100\right)\% \cr& = \left(\frac{160}{168}\times100\right)\% \cr& = \frac{2000}{21}\% \cr& \approx 95\% \cr} $$

What was the ratio of the number of trees planted by NGO – B in Tamil Nadu, the number of trees planted by NGO – C in Assam and the number of trees planted by NGO – A in Assam?

21 mango trees, 42 apple trees and 56 orange trees have to be planted in rows such that each row contains the same numbers of trees of one variety only. Minimum number of row in which the trees may be planted is = ?

Sue planted 4 times as many apple seeds as she planted orange seeds. 15% of the apple seeds grew into trees, and 10% of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?

In which of the following states was the total number of trees planted by NGOs A and B together second lowest?

Nearly 55 percent of the total population of Bihar survive in absolute poverty because:
1. Bihar lacks in natural resources, both existing and potential.
2. Bihar has the fastest total fertility rate in India.
3. Bihar has very unfavourable agro-climatic conditions.
4. Bihar lacks in quality infrastructure and businessfriendly environment.
Which of these reasons are correct?

There are 50 lemon trees in a reclaimed mine area. Each tree produces 800 lemons per year. For each additional tree planted in this area, considering all trees, the output number of fruits per tree drops by 10 lemons in a year. The number of trees that to be added to the existing reclaimed area in order to maximise the total number of lemons in the year is

In a horticulture experiment , 200 seeds were planted in plot I and 300 were planted in plot II. 57 percent of the seeds in plot I germinated and 42 percent of the seeds in plot II germinated, what percent of total numbers of planted seeds was germinated?

What was the average number of trees planted in Haryana by all the NGOs together?

Consider the following statements
1. In 1950, two separate states were created, Punjab included the former Raj province of Punjab, while Princely States were combined into a new state, the Patiala and East Punjab States Union. (PEPSU).
2. In 1956, PEPSU was merged into the Punjab state.
3. Shimla was named temporary capital of the Punjab.
4. Himachal Pradesh was created as a Union Territory from several Princely states and Kangra district.
Which of the statement(s) is/are correct?

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.
Riparian vegetation [the green band of vegetation along a watercourse] can help stabilize stream banks; filter sediment from surface runoff; and provide wildlife habitat, livestock forage,and scenic value. Well-developed vegetation also allows bank soils to absorb extra water during spring runoff, releasing it later during drier months, thus improving late-summer stream flows. In many parts of the arid West, trees and shrubs are found only in riparian areas. Woody plants are very important as winter cover for many wildlife species, including upland game birds such as pheasants and turkeys. Often this winter cover is the greatest single factor limiting game bird populations. Woody vegetation also provides hiding cover and browse for many other species of birds and mammals, both game and nongame. Dead trees ("snags") are an integral part of streamside habitats and should be left standing whenever possible. Woodpeckers, nuthatches, brown creepers, and other birds eat the insects that decompose the wood. These insects usually pose no threat to nearby living trees. Occasionally a disease organism or misuse of pesticides will weaken or kill a stand of trees. If several trees in a small area begin to die, contact your local extension agent immediately . How dependent are plants and animals on each other?