Discussion

Explanation:

Sum of 1½ ton Window ACs sold by Torrent Enterprises during April 2014 – March 2015

= 0.19(Sum of number of units sold in April-14, May-14, Sep-14, Feb-15, Mar-15 and Aug-14) + 0.33(Sum of number of units sold in Jun-14, Jul-14, Dec-14, Oct-14, Nov-14 and Jan-15)

= 0.19 × (1266 +1268 + 1296 + 1340 + 1350 + 1296) + 0.33 × (1272 + 1292 + 1300 + 1298 + 1300 + 1330)

= 0.19 × 7816 + 0.33 × 7772 = 1485.04 + 2571.36 ≈ 338

Hence, option (b).

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