Question
The second number in the given number pairs is obtained
by performing certain mathematical operation(s) on the first number of that pair. The same operation(s) is/are followed in all the number pairs except one. Find that odd number pair.Solution
5³ + 3 = 125 + 3 = 128 3³ + 3 = 27 + 3 = 30 7³ + 3 = 343 + 3 = 346 1³ + 3 = 1 + 3 = 4
Out of a total of 120 students in a class, 50% are boys and the rest are girls. Out of the total number of students who appeared in the class test, 35% ...
A gave 60% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.192, then find the amount received by B from A.
- A washing machine was bought for Rs. 12600 after a single discount of 30%. What would be its cost if instead the shop offered two successive discounts of 2...
A gave 40% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.184, then find the amount received by B from A.
A student has to secure 40% marks to pass an examination. He gets 150 marks and fails by 30 marks. What are the maximum marks?
- ‘P’ and ‘Q’ are two points 12 cm apart. A point ‘R’ is located on PQ such that PR is 7 cm. If PR is increased by 20%, by what percentage does t...
The population of the town is 270,000 4/9th of them are males and the rest are females. 50% males and 40% females are married. Find the percentage of th...
In a village election between two candidates, the winner secured 65% of the total votes cast and won by a majority of 9000 votes. How many votes did the...
- In a school consisting of 750 students, the ratio of boys to girls is 3:2. If 14% of the boys and 10% of the girls failed in the semester exam, how many st...
A man donated 25%, 13% and 27% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
Relevant for Exams:
