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Write the expanded form of (5a + 4b + 9c) ² (5a + 4b + 9c) ² को विस्तारित रूप में लिखिए।

शिक्षण की आधुनिक संकल्पना के अनुसार, एक अध्यापक को मुख्य भूमिका निभानी चाहिए

Sita, Gita and Rita invested रु 20,000, रु 50,000 and रु 40,000 respectively, in a business. The net profit for the year was रु 12,100, which was divided in proportion to their investments. Find the share of profit earned by Rita?

जिह्वा के आधार पर स्वर कितने प्रकार के होते हैं?

‘स्थावर’ का विलोम है–

Read the following information carefully and answer the given questions. Imagine walking through a tropical forest as a sweet scent wafts through the air. A little farther down the path, the putrid stench of rotting flesh makes you catch your breath. Upon investigation, you find that both odours originate from flowers. It’s actually part of a strategy that helps flowering plants reproduce themselves and spread their species. Certain scents help these flowers solve a big problem. Plants flower to produce seeds that can go on to become new plants. To make a viable seed, pollen from one part of the flower must fertilize the ovules in another part of the flower. Some plants can self-pollinate, using their own pollen to fertilize the ovule. Others require pollen from another plant of the same species – that’s called cross-pollination. Sometimes gravity helps pollen fall into place. Sometimes wind carries it. Wind-pollinated flowers, like those of many trees and grasses, don’t produce a scent. Other flowers are pollinated by birds, bats, insects or even small rodents carrying the pollen from one flower to another. In these cases, the flowers might provide a little incentive. Animal pollinators are rewarded by sweet energy- and nutrient-rich nectar or protein-packed pollen they can eat. Flowers that need the help of insects and bats go one step further, producing a floral scent that acts as a smelly kind of welcome sign for just the right pollinator. An orchid blooming in the tropical forest or a rose in your garden needs to attract a pollinator to bring pollen from flowers of the same species. However, there are flowers that look similar but are from other species. To differentiate itself from other flowers, each species’ flowers puts out a unique scent to attract specific pollinators. Similar to the perfumes at a department store counter, flower scents are made up of a large and diverse number of chemicals that evaporate easily and float through the air. The type of chemical, its amount and its interaction with other chemicals give the flower its unique scent. The scent of a rose may consist of as many as 400 different chemicals. People can smell these floral scents because they easily evaporate from the flower, drifting on the air currents to attract pollinators. Q.What is the antonym of the word- ‘blooming’ as used in the passage?

Son of brother is known as

Read the given statement and conclusions carefully. Assuming that the information given in the statement is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statement. Statement: The old leaves are replaced by new leaves. Conclusions: 1. There can be no new leaves without old leaves. 2. Old leaves are useless.

A walks at a speed of 4 km/hr. After 4 hours B walks at a speed of 10 km/hr from the same point from which A started. At what distance from the starting point will B take to catch A? (up to two decimal places)

Hemophilia is also known as - हीमोफीलिया, _________ के रूप में भी जाना जाता है-

Q: The random wavering of objects seen through a turbulent stream of hot air rising above a fire can be explained using.

A. Scattering of light

B. Total internal reflection

C. Dispersion of light

D. Atmospheric refraction

Correct Answer: Option D - The random wavering of objects seen through a turbulent stream of hot air rising above a fire due to atmospheric refraction.

D. The random wavering of objects seen through a turbulent stream of hot air rising above a fire due to atmospheric refraction.

Explanations:

The random wavering of objects seen through a turbulent stream of hot air rising above a fire due to atmospheric refraction.

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