Question
If the ratio of boys to girls in a class is 3:4 and the
total number of students is 56, how many boys are there?Solution
Let the number of boys = 3x and girls = 4x. Total = 3x + 4x = 56 => 7x = 56 => x = 8. Thus, boys = 3x = 3*8 = 24. Correct answer: b) 24
12, 34, 64, ?, 140, 182
196, 196, 203, 229, 292, ?
80, 116, 52, ?, 8, 204
150 - 10 × ( 7 - 2)/4 × 8 = ?
...Choose the missing term.
3F, 6G, 11I, 18L,?
What will come in place of the question mark (?) in the following series?
112, 124, 138, 154, ?, 196
100 180 294 448 648 ?
15, 23, 30, 36, 41, ?
188    178    158   ?     88    38
32   48   96   ?   720   2520