2. Sample Papers
  3. Railways
  4. Quantitative Aptitude
  5. Speed, Time and Distance

Railways Quantitative Aptitude Speed, Time and Distance Sample Paper Time, Speed and distance Sample Test Paper-12

  • question_answer
    The speed of a car increases by 2 kilometre after every one hour. If the distance travelled in the first one hour was 35 kilometres, then the total distance travelled in 12 hours was

    A)  460 km

    B)         552 km

    C)  483 km

    D)  572 km

    Correct Answer: B

    Solution :

    [b] Distance travelled per H = 35, 37, 39 \[{{S}_{n}}=\frac{n}{2}[2a+(n-1)d]\] n = 12, a = 35, d = 2 \[=\frac{12}{2}[2\times 35+(12-1)\times 2]\] = 6[70 + 22] \[=6\times 92=552\,\,km\]


You need to login to perform this action.
You will be redirected in 3 sec spinner