Question
Out of 400 students in school, 40% students like samosa
only and 20% students like samosa and momos both. If 30% students don’t like any snacks then find the number of students who like only momos.Solution
Number of students who like samosa only = 400 × 0.40 = 160 Number of students who like samosa and momos both = 400 × 0.2 = 80 Number of students who don’t like any snacks = 400 × 0.30 = 120 Number of students who like momos only = 400 – 160 – 80 – 120 = 40
What value should come in the place of (?) in the following number series?
15, 21, ?, 41.16, 57.624
What will come in place of the question mark (?) in the following series?
15, 26, 39, 56, ?, 98
51    52    48     57    ?      66      30
...165      155     135     ?     65      15
...38% of 18/225 of 31/19 of 15225 =?
86, 127, ?, 209, 250, 291
15.5, 62, 186, ?, 2232, 8928
52   83   114   ?   176    207
Complete the series choosing the missing number.
110, 99, 86, ___, 54, 35.
16, 20, 11, 27, ?, 38
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