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Charles Blacker Vignoles (1793-1878), Professor of Civil Engineering, University College London, submits a report to the East India Company on the possibility of constructing a railway network in India (Hurd and Kerr 1). This is very much a colonial project, with an eye to managing the country and facilitating trade. On "the eve of a period of 'railway mania' a vast country like India, with her resources and wealth," naturally attracts "the notice of many enterprising Englishmen".
Sum of digits of a two-digit number is 9. When 27 is subtracted from the number, its digits get reversed. Find the original number.
The ratio between the sum of the digits of a two-digit number and that two-digit number is 1 : 6. If the digit in the unit's place is three less than th...
The number of present boys to girls is in the ratio 2:1. If 15 girls are absent and they form 25% of the total class, and no boy is absent, then find th...
The cost of 3 notebooks and 2 erasers is Rs.47, and the cost of 5 notebooks and 4 erasers is Rs.83. What is the total price (in Rs) of 2 notebooks and 3...
Rs 720 is to be divided among P, Q and R so that P gets 3/5 of Q’s share and R gets 1/3 of P’s share. Share of R is:
What is the largest common divisor of the numbers 1170, 2340, and 3510?
Find the average of the cubes of the first 7 natural numbers.
Find the number of zeroes in the end of 160!