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Let the total number of students be x Average marks obtained by the students = 75 Total marks = 75x After correcting the quantitative mistakes the average decreased by (75-60) = 15 marks Total reduction = 15 × 100 = 1500 Now According to the Question, (75x-1500)/x = 70 70x = 75x – 1500 X = 300 Total number of students = 300
31 40 51 64 79 ?
63, 74, ?, 129, 173, 228
Choose the missing term?
B, D, F, I, L, P, ?
What will come in the place of questions (?) mark in the following questions.
40, 25, 30, 50, 105, ?
16, 16, 32, 96, ?, 1920
25 54 ? 228 460 924
...12 48 192 ? 3072 12288
...5 6 15 40 89 170 ?
...5, 23, 18, 36, 31, ?
16, 15, 24, -1, 48, ?
