Question
‘A’ and ‘B’ can do a piece of work in 20 days
and 30 days, respectively. If they started the work together and worked on it for 7 days, then find the time taken by ‘B’ alone to complete the remaining work.Solution
Let total amount of work be 60 units Efficiency of ‘A’ = 60/20 = 3 units/day Efficiency of ‘B’ = 60/30 = 2 units/day Amount of work done by ‘A’ and ‘B’ together in 7 days = (3 + 2) × 7 = 35 units Time taken by B to complete remaining work = (60 – 35)/2 = 12.5 days
10.10% of 999.99 + 14.14 × 21.21 - 250.25 = ?
56.05 2 – 24.24 2 + (63.98) 3/2 – 32.28% of 1500 = ? 2 + 113.03 × 5.09
What will be the approximate value of the following questions.
125.9% ÷ 9.05 x 99.98 = ? - 69.97 × √324.02 ÷ 5.98
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
(98.03 + 186.98) ÷ 19.211 = 89.9 – 20.23% of ?
11.232 + 29.98% of 599.99 = ? × 6.99
Find the approximate value of Question mark(?). There is no requirement to find the exact value.
(899.78 ÷ 15.11) × (√143.94 + 10.02) – 230...
(36.35 × 14.89) ÷ 8.78 = ? – 59.98
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