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# CAT 2020 Quant Question [Slot 1] with Solution 15

Question

Leaving home at the same time, Amal reaches office at 10: 15 am if he travels at 8 km/hr, and at 9: 40 am if he travels at 15 km/hr. Leaving home at 9: 10 am, at what speed, in km/hr, must he travel so as to reach office exactly at 10 am ?

1. 13
2. 14
3. 12
4. 11
Option: 3
Solution:

Let the speed in the first two cases be s and the distance be "d'. Given, $\frac{d}{8} - \frac{d}{{15}} = \frac{{35}}{{60}} \Rightarrow d = 10km$

Required speed $= \frac{{10}}{{\frac{{50}}{{60}}}}$=12 kmph

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## CAT 2020 Quant questions with Solutions

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