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Harpreet Kaur

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Navin Jha

a year ago

5/5 thankyou maam very helpful in practice. and great explanation

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Solution of CAT 2018-2017 unacademy By:- Harpreet Kaur PROFILE LINK https://unacademy.com/user/harpreet9504

Q:- A bus travels from city A to city B at a constant speed. If the speed of the bus increases by 8km/hr, it will reach its destination 3 hours earlier. On the contrary, if the speed decreases by 4km/hr, then the bus will reach the destination 8 hours later than the scheduled time. Approximately, how long does the bus usually take? Sol:- T-3 T,-T, stance - 2-52

S-4 T 3 D'stance = SIS 2-S2 s2x3 8 Cs-u) 8 13 X

Q:- Let f(x,y) -1 x + y l and g(x,y)-Ix - y I, then how many ordered pairs of the form (x,y) would satisfy f(x,y) = g(x,y) Sol:- x + For x20 , Fox : 0, can have infinite possi bilities can have infinite possiblities