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Start learning 50% faster. Sign in nowSpeed of train = (Length of train + Length of Platform)/Required time Length of train = 260 m Crossing time of platform = 2 × 60 = 120 sec Length of platform = 260 × 2 = 520 m Let the speed of train be x. Speed of train = (260 + 520)/120 ⇒ x = 6.5 m/s
A bag contains 10-paisa, 20-paisa and 50-paisa coins in the ratio of 9:7:5, respectively. If the total amount in the bag is Rs. 48, then find 40% of the...
The sum of two numbers is 25 and their difference is 15. The ratio of the numbers is:
The proportion of salaries of Hema, Clement, and Gaurav is 3: 5: 7, respectively, if Gaurav is getting Rs.1140 more from Hema. What is Clement's salary?...
A company produces three types of products: X, Y, and Z. Initially, the production ratio of X to Y to Z is 5:7:8. The total production of these three pr...
Three positive numbers are in the 5:6: 7 ratio and the sum of their squares is 13,310. Find the sum of the three numbers
A box contains Rs. 930 in coins of Rs. 2, Rs. 5, and Rs. 8 denominations. The ratio of number of coins of Rs. 2, Rs. 5, and Rs. 8 is 6:5:7 respectively....
The ratio of the ages of A and B is 3:5. If the difference between their ages is 10 years, what is the sum of their ages?
Two friends, A and B, have money in the ratio of 4:3. If A's money decreases by 20% and B's money increases by Rs 35, their amounts become equal. What i...
