Multiple choice

The value of [k - {l - m} - (-n + 2k)] is

Directions: Read the following passage and answer the given question.

Let there be four colours of toys in a shop, i.e. red, green, blue and yellow. There are 101 toys of red colour. The number of blue toys is 4 less than the number of green toys. The number of yellow toys is 3 more than the number of red toys and the number of green toys is 10 less than the number yellow toys. Now, let k, l, m and n be the numbers of red, blue, yellow and green toys, respectively.

  1. -21

  2. 7

  3. 201

  4. -201

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

No. of red toys = 101 = k No. of yellow toys = 101 + 3 = 104 = m No. of green toys = 104 - 10 = 94 = n No. of blue toys = 94 - 4 = 90 = l [k - {l + m} - (-n + 2k)] = [101 - {90 - 104} - (-94 + 202)] = [101 - {-14} - 108] = [101 + 14 - 108] = 7

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