CTS Company Numerical Ability Time Distance and Speed

When a train travels at a speed of 60 kmph, it reaches the destination on time. When the same train travels at speed a of 50 kmph. It reaches its destination 15 minutes late. What is the length of journey?

Options
1) 75km
2) 50km
3) 60km
4) 85km

Read Solution (Total 2)

1) 75 km

Let the length of journey be of 'x' km and given difference between the time for covering same journey is 15 min. or 1/4 hour.
So (x/50) - (x/60)=1/4
On solving , x=75
8 years agoHelpfull: Yes(4) No(0)

1) 75km

(60*50)/(60-50)* 15/60= 75 ans
8 years agoHelpfull: Yes(2) No(0)

CTS Other Question

The average age of a cricket team of eleven is 22 years. The average age gets increased by 1 year, when the coach age is also included, What is the age of the coach?

Options
1) 34
2) 23
3) 30
4) 40 Data Sufficiency-
Sharmila is a chemistry teacher. She forgot to bring her time-table and now wants to find out the schedule for XI-B. She knows that there are four subjects taught - Physics. Chemistry. Mathematics and Biology - in four consecutive periods of one hour each starting from 9 00 AM. At what time is the
Chemistry period is scheduled?
Statements :
I Mathematics period ended at 11 00 a m which was preceded by Biology
II Physics was scheduled in the last period
OPTIONS ARE:
1)I alone is sufficient while II alone is not sufficient
2)II alone is sufficient while I alone is not sufficient

3)Either I or II s sufficient
4)Neither I nor Ills sufficient
5)Both I and II together are sufficienT