Question
In how much time will a train running with a speed of 72
km/hr cross the second train? Statement I:  The length of the two trains is 80 metres and 100 metres respectively. Statement II:  The speed of the second train is 60 km/hr. For each of the following questions statements I and II are given. Use the data of those statements and then determine which of the following statements is necessary to answer the question:Solution
Since, we do not know the direction in which the two trains are running, we cannot answer the question. Therefore, the statement I and II are not sufficient to answer the question.
Sum of digits of a two-digit number is 9. When 27 is subtracted from the number, its digits get interchanged. Find the original number.
Find the sum of the first 15 natural numbers.
- Find the remainder when the number (289n + 119) is divided by 17.
Find the sum of the first 10 natural numbers.
If the 6-digit number '5a1897' is divisible by '11', determine the value of 'a'.
A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
Christina spends half of her salary and saves the other half. If she spends ₹ 40,000 monthly, what is her annual savings?
If '3849x' is a five digit number which is divisible by 91, then find the value of 'x'.
- What should be subtracted from 64 and 40 to make the ratio of resulting numbers 3:1?