Question
In the below question, a sentence is given, divided
into five parts (A), (B), (C), (D) and (1). There is an error in one of the parts, which makes the sentence grammatically or contextually incorrect. Choose the option with the part containing error. Consider part (1) to be correct. In 1835, the Galapagos Islands (1)/ shaped the thoughts of a young (A)/ British naturalist named Charles Darwin, (B)/ and help inspire his (C)/world-shaking theory of evolution. (D)Solution
The sentence is in past tense; so, the use of 'help' is incorrect in part C. 'Helped' is the right tense form. Option D is the right answer.
A circle has radius 13 cm. A chord is 10 cm long. What is the perpendicular distance from the centre to the chord?
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Two chords AB and CD of a circle intersect at E such that AE = 3.4 cm, BE = 4.2 cm and CE = 2.6 cm. What is the approximate length of DE?
A sector of a circle has a central angle of 120° and a radius of 10 cm. Find the area of the sector.
