Question
Komal and Seema individually can complete a task in
‘3a’ hours and ‘7a’ hours respectively. If they together can complete (2/3)rd of the work in 7 hours, then find the value of ‘a’.Solution
According to the question, => 7 x [(1/3a) + (1/7a)] = 2/3 => 7 x (10/21a) = 2/3 => a = 5
More Time and work Questions
6000 3002 1503 ? 378.75 191.375 97.6875
...1, 27, ?, 343, 729, 1331
(32.03 + 111.98) ÷ 18.211 = 89.9 – 20.23% of ?
51 53 109 332 ? 6686
...9 4.5 4.5 9 36 ?
5 16 ? 66 119 200
...1 1 8 4 27 9 ?
...What will be the next number in the series?
2, 7, 23, 70, ?
There are three series given below which are following with the same pattern.
Series I: 1, 12, 38, 193, 1355
Series II: 6, B, C, D, E
...Direction: Which of the following will replace ‘?’ in the given question?
5, 18, ‘?’, 126, 296, 586, 1044
