Question
The average of present ages of
Rajesh and his father is 45 years. The age of Rajesh 5 years hence from now will be 1/4 of the present age of his father. Find the present age of Rajesh's father.Solution
ATQ, Sum of present ages of Rajesh and his father = 45×2 = 90 years Let the present age of Rajesh be 'x' years. Then, present age of Rajesh's father = 90−x years. According to the question, (x+5)×4 = (90−x) 4x+20 = 90−x 5x = 70 x = 70/5 = 14 So, present age of Rajesh's father = 90−14 = 76 years.
660 × ? + 495.85 - 60% of 9650 = 37.5% of 7200
Bijay can complete a task on his own in 40 days, while Ajay can finish the same task in 25 days. If they alternate working on the...
5466.97 - 3245.01 + 1122.99 = ? + 2309.99
32.052- 22.03 x 24.199 - 15.18 x 11.04 = ?
26.11% of ? – 521.02 = 648.51
15.22 × 9.99 + 150.15 = ?
35.05% of 14.87 × (13.02 – ?) + 30.19 = 188.7
[(2/3 of 599.77) + (39.69% of 450.14)] ÷ [(5/8 of 399.79) - √120.91] = ?
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
(5/9 of 2699.81) + (49.88% of 144.18) - (2/7 of 489.77) = ?
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