Question
A train whose speed is 40 m/s crosses a bridge in 20
seconds. Another train which is 80m shorter than the first train crosses the same bridge at the speed of 72 km/hr. Find the time taken by the second train to cross the bridge.Solution
In a town, the ratio of males to females is 5:4. Among the males, 20% are children, and the rest are adults. If the adult male population is 4,500, what...
- If ₹29,700 is distributed among ‘E’, ‘F’, ‘G’, and ‘H’ in the ratio 9:7:6:8, then what is the share of ‘H’?
Three numbers are in the ratio 2: 3: 5. By adding 7 to each of the numbers then the ratio changes to 3: 4: 6. The smallest number is:
Samir distributed 625 gifts among 4 children. The first part of the child is twice the portion of the other child, three times the size of the third chi...
A woman distributed her savings between her daughters A, B, C and D in the ratio 6 : 7 : 9 : 16. If A gives Rs. 600 from his share to C, the ratio of sh...
A and B are solutions of acid and water. The ratios of water and acid in A and B are 4:5 and 1:2, respectively. If x litres of A is mixed with y Litres ...
The ratio of two numbers is 5:4. A number y is then subtracted from each of the two given numbers so that the ratio of the resultant numbers becomes 2:1...
A factory produces three types of products: A, B, and C. Initially, the production ratio of A to B to C is 3:4:5. The total number of products produced ...
Hariom has 85 notes of Rs 50 and Rs 100. If the total money he has is Rs 5000, then find the number of Rs 50 notes.
The salaries of Ravi and Sumit are in the ratio 4: 5. If the salary of each is increased by Rs6,000 the new ratio becomes 35:40. What will be Sumit's in...
Relevant for Exams:
