Answer: D) 2.9 Explanation: xz = y2        10(0.48z) = 10(2 x 0.70) = 101.40  0.48z = 1.40  z = 140/18 = 35/12 = 2.9 (approx.)

Answer: A) 40 kms Explanation: Let the actual distance travelled be x km. Then x/8=(x+20)/12 => 12x = 8x + 160=> 4x = 160=> x = 40 km.

Answer: A) Corona Explanation: The outermost layer of the sun is called The Corona.   The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona. IRIS will focus its investigation on the Chromosphere and Transition Region.

Answer: B) 50 Explanation: 15 girls are absent => b = 2(g-15)...... eqn...(1) 45 boys are absent => g - 15 = 5(b-45).....eqn...(2) => g = 5(b-45) + 15 => b = 2((5(b-45)+15)-15) => b = 2(5b - 225 + 15 - 15) => b = 2(5b-225) => b = 10b - 450 => 9b = 450 => b = 50 so from equation(2) g - 15 = 5(b - 45) => g - 15 = 5(50-45) => g - 15 = 5(5) => g = 25 + 15 => g = 40 Therefore, the number of boys = 50 and girls = 40

Answer: D) Both A & C Explanation: The Farmers Alliance was an organized agrarian economic movement among American farmers that developed and flourished in 1875.   One of the goals of the organization was to end the adverse effects of the crop-lien system on farmers in the period following the American Civil War.   The Farmer's Alliance moved into politics in the early 1890s under the banner of the People's Party, commonly known as the "Populists."

Answer: B) Only a follows Explanation: The proper nourishment will make the monkeys or human beings work properly. So, the course of action I follows. Course of action II does not follow as there is no information about captive or wild monkeys.

Answer: B) Headphones Explanation: Here Joystick, Mouse and Scanner are Input devices through which data is given to the computers. But Headphones are output devices through which sound comes as an output from the computer or any devices.

When the tension is unresolved, we have unresolved dissonance. Unresolved dissonance is a characteristic of the baroque music. The general characteristics of Baroque music is movement, energy, and tension.