Question
Sita increased her speed by 25% and was able to complete
a journey of 360 km in 3 hours less than she would have with her original speed. Find the time she would take to travel 144 kilometers at 20% less speed than her original speed.Solution
ATQ,
Let actual speed of Sita be 4x km/hr Therefore, increased speed of Sita = 4x × (5/4) = '5x' km/hr ATQ, 360 / 4x - 360 / 5x = 3 Or, 90 / x - 72 / x = 3 So, 'x' = 6 Actual speed = 4x = 24 km/hr Decreased speed = (80/100) × 24 = 19.2 km/hr Required time = 144 / 19.2 = 7.5 hours
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Conclusion II: No hikes are pens.
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Only a few Rolex are Titan.
Only a few Timex are Fastrack.
Conclusions:
<...Select the option that is related to the third term in the same way as the second term is related to the first term.
ORGANS : SNTZRO : : PARROT : ?
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Backstroke: ? : : Bouncer: Cricket
If 8 x 5 = 24 and 9 x 4 = 45 then 13 x 4 = ?
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