Multiple choice

A pair of chappals -------- Rs. 1500/-

  1. costs

  2. is costing

  3. cost

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Phrases like 'a pair of' function as singular subjects despite containing plural items. One pair equals one unit, so we use the singular verb 'costs'. 'Cost' is incorrect because it doesn't agree with the singular subject. 'Is costing' is unnecessarily continuous.

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