Here is a question about this article: Adult contemporary traces its roots to the 1960s easy listening format, which adopted a 70-80% instrumental - 20-30% vocal mix. A few offered 90% instrumentals, and a handful were entirely instrumental. The easy listening format, as it was first known, was born of a desire by some radio stations in the late 1950s and early 1960s to continue playing current hit songs but distinguish themselves from being branded as "rock and roll" stations. Billboard first published the Easy Listening chart July 17, 1961, with 20 songs; the first number one was "Boll Weevil Song" by Brook Benton. The chart described itself as "not too far out in either direction".
What is the answer to this question: How many songs were on the first Billboard easy listening chart?
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So... 20

Here is a question about this article: White light can be formed by mixing differently colored lights; the most common method is to use red, green, and blue (RGB). Hence the method is called multi-color white LEDs (sometimes referred to as RGB LEDs). Because these need electronic circuits to control the blending and diffusion of different colors, and because the individual color LEDs typically have slightly different emission patterns (leading to variation of the color depending on direction) even if they are made as a single unit, these are seldom used to produce white lighting. Nonetheless, this method has many applications because of the flexibility of mixing different colors, and in principle, this mechanism also has higher quantum efficiency in producing white light.[citation needed]
What is the answer to this question: What does the multi-color white LED method need to produce the end result?
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So... electronic circuits

Here is a question about this article: Starting in 1236, the Mongol prince Kublai, who later ruled as Khagan from 12601294, was granted a large appanage in North China by his superior, Ogedei Khan. Karma Pakshi, 2nd Karmapa Lama (12031283)the head lama of the Karma Kagyu lineage of Tibetan Buddhismrejected Kublai's invitation, so instead Kublai invited Drogon Chogyal Phagpa (12351280), successor and nephew of Sakya Pandita, who came to his court in 1253. Kublai instituted a unique relationship with the Phagpa lama, which recognized Kublai as a superior sovereign in political affairs and the Phagpa lama as the senior instructor to Kublai in religious affairs. Kublai also made Drogon Chogyal Phagpa the director of the government agency known as the Bureau of Buddhist and Tibetan Affairs and the ruling priest-king of Tibet, which comprised thirteen different states ruled by myriarchies.
What is the answer to this question: Who became the second Karmapa Lama?
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So...
Karma Pakshi