Question
In a class of 40 students and 8 teachers, each student
got gifts that were 20% of total number of students and each teacher got gifts that were 15% of total number of students. How many gifts were there in total?Solution
Gifts received by each student = 20% of total number of students i.e. => 20/100 × 40 = 8 Gifts received by each teacher = 15% of total number of students i.e. => 15/100 × 40 = 6 Total Gifts = 40 × 8 + 6 × 8 = 368
30 27 20 9 ? - 25
147      138       120      93      ?      12
...92,  51,  21,  13.5,  x,  4.25
find the value of (10x + x -5)?
4, 8, 24, ?, 840, 9240
(45)2 ÷ ∛729 + (35)2 ÷ 1.4 =?
A series is 11, 20, 42, 82, 166, 330
If another series 4, a, b, c, d, 106 follows the same pattern as the given number series, then find the appr...
29    51    95    183    ?     711
What will be the next number in the series?
2, 7, 23, 70, ?
13 22 40 67 103 ?
...If 5,  6,  4,  39,   x,  585,
then, find the value of ((x/2) + 1 + 2x)?