Category > General Science MCQs with Answers For UPSC

Q. The hydraulic breaks used in automobiles is a direct application of -

Answer : Pascal's law
Explanation: Pascal's principle, also called Pascal's law, in fluid (gas or liquid) mechanics, statement that in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container.

Asked Question

Q. 1 : If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a2 + b2 + c2 )?

Q. 2 : Which among the following is true for the given numbers?

Q. 3 : How is Sameer related to Akbar if Sameer introduced Akbar as his maternal grandmother's only son's son?

Q. 4 : Find the value of 200 x 20 x 2 x 0.2 x 0.02 x 0.002 = ?

Q. 5 : Choose the odd word/letters/number/number pair from the given alternatives.

Q. 6 : Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?

Q. 7 : ΔGHI is similar to ΔKLM. If the ratio of Perimeter of Δ GHI : Perimeter of ΔKLM = 1:4, and length of GH is 2 cm, what is the length of the corresponding side KL?

Q. 8 : A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.7, 49, 343, ?

Q. 9 : Arrange the given words in the sequence in which they occur in the dictionary.i.Attributeii. Attenuationiii. Attainiv. Attention

Q. 10 : A basket contains 300 mangoes . 75 mangoes were distributed among some students . Find the percentage of mangoes left in the basket

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