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21. Two persons start simultaneously from A and B towards B and A respectively. The first person reached b in 10 minutes and the second person reached A in 15 minutes from the time of their start. In how many minutes from their start do they meet each other?
a) 5
b) 8
c) 7
d) 6

Read Solution (Total 4)

ANS=6
D/S1=10; D/S2=15
D/(S1+S2)=D/(D/10+D/15)=30/5=6;
9 years agoHelpfull: Yes(17) No(1)

d. easy way...1/10+1/15=1/6
so ans is 6 mnt.
9 years agoHelpfull: Yes(5) No(0)
6 is the answer
9 years agoHelpfull: Yes(3) No(0)
HCF of 10 & 15 = 5 Ans.
9 years agoHelpfull: Yes(0) No(7)

TCS Other Question

In a 1500 race, Tinu beats Minu by 150 m and in the same race Minu beats Rinu by 75 m. by what distance does Tinu beat Rinu?
a) 210.5 m
b) 217.5 m
c) 213.5 m
d) 225 m

22. A tank has a leak, which would empty it in 8 hours. A tap is turned on which fills at the rate of 4 liters per minute and the tank is now emptied in 12 hours. Find the capacity of the tank.
a) 5670 lit
b) 5760 lit
c) 6570 lit
d) 6750 lit