Let speed of train Y be 'a' km/hr. According to question, => 18(36 + a) × (5/18) = 500 => 648 + 18a = 1800 => 18a = 1152 => a = 64 km/hr
'P' allocates 25% of his income to rent and then spends 40% of the remaining amount on food and travel. After these expenses, he spends Rs. 5600 on misc...
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 60000 which is 4 times the monthly income of ‘C’. If ‘A’ spends 60% of his...
In a test, P got 24% of total marks and failed by 35 marks while Q got 44% of total marks which is 22 more than passing marks. Find the total marks of t...
A certain sum becomes Rs 13650 at 15% p.a. simple interest after 2 years. What will be the amount (in RS) of the same sum after 1 year at the same rate ...
Two students appeared at an examination. One of them secured 18 marks more than the other and his marks were 62% of the sum of their marks. Find the mar...
P gave 70% of the amount he had to Q. Q gave 2/5th of that amount to R. After paying Rs.260 to the shopkeeper out of the amount he gets from ...
A gave 40% of amount to B. B gave 60% of amount received from A to C. If amount received by C from B is Rs.288, then find the amount received by B from A.
A district has 10,24,000 inhabitants. If the population increases at the rate of 2.5% per annum, find the number of inhabitants at the end of three years
If the sales tax be reduced from 3(1/2) % to 3(1 /3) % what difference does it make to a person who purchases an article whose marked price is `4,200?
A person spent 20% of his monthly income on food and 65% of the remaining on rent. If amount spent on rent is Rs 1047.80, then find the amount spent on ...
