TCS Company Numerical Ability Time Distance and Speed

Two trains for mumbai leave Delhi at 6 a.m. and 6:45 am and travel at 100 kmph and 136 kmph respectively.How many kilometers from Delhi will the two trains be together?

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TCS Other Question

24. Let K be the sum of the squares of 5 consecutive even integers. Which of the following cannot be the final quotient when K is successively divided by 2 and 5? in base 7 a no. is written only using the digit 0,1,...6. The num 21 in base 7 =2*7+1=15 in base 10. Simillarly 135 in base 7 is 1*72+3*7+5=75 in base 10. what is the sum of base 7 having 1234 and 6534 in base 7