Complete GATE ES 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 10–12 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 4 of 22

Question 10

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GAMCQ2 marksNeeds review
Circles

,

, and

, with centers

,

, and

, and radii

,

, and

, respectively, touch each other as shown in the following figure. Given

cm,

cm and the angle

is

,

_____ cm.
Diagram for Environmental Science and Engineering question 10

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Question 11

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ESMCQ1 markNeeds review
If

, then

is ______.
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Question 12

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ESMCQ1 markNeeds review
The correct integral of

(assuming integral constant as c) is ______.
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