Question
The average weight of a group of five persons, A, B, C,
D, and E is 70 kg. If another person K joins the group then the average weight of the group is decreased by 4 kg, then find the weight of K.Solution
Total weight of A, B, C, D, and E together = 70 × 5 = 350 kg Weight of K = 66 × 6 – 350 = 396 – 350 = 46 kg
More Average Questions
10562.41 - 7893.78 + 9647.35 + ? = 19500.24
√1567.763`xx` √4400 ÷ 326.9827 + 1223.293 = ?
[(120.96 × 12.09) ÷ ?] ÷ 6 = 19.96% of 55.07
13³ + 1.3² + 1.03¹ + 1.003 = ?
? = (6.1 × 64.93 ÷ 12.86) 1.97 – 49.98% of 359.77
Find the approximate value of Question mark(?) for given equation.Â
(71.92% of 149.99) ÷ 12.04 + 107.98 = ?
19.22 × 11.99 + 142.15 = ?
(14.56)² × √840 =?
...22.03 × 6.97 + 19.01 – 16.02 = ?
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
