Question
In the following number-pairs, the second number is
obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 23, 57 17, 45Solution
The correct answer is A
- The cost of tea increased by 25%, so Meena reduced her consumption by 20%. Calculate the percentage change in her expenditure on tea.
Income of Vipin is Rs.36000 and he saves 60% of his income. The expenditure of Sahil is Rs.2600 more than that of Vipin and he saves 66% of his income. ...
A man spends 20% of his monthly salary on rent and 35% on other expenses. He invests the remaining salary in shares and fixed deposits in the ratio of 7...
A man spent 38% of his income in May. If his savings is increased by 20% in June and becomes Rs. 14880, then find the income of man in May.
- A number is first increased by 20% and then decreased by 20%. The overall change in number is:
Arvind sold 40% more apples than Vishnu. Ratio of number of apples sold by Vishnu to number of apples sold by Bishwa is 4:7. Find the number of apples s...
If 40% of 'p' is equal to 'q', then what percentage of 40 is equal to 'p'?
- Maya used 25% of her income for personal expenses, 60% of the remaining for house rent, and saved the rest. If she saved Rs. 900, find the amount she spent...
The marks scored by a student in three subjects are in the ratio 4 : 5 : 6. Student scored an overall aggregate of 40% in the exam. If the maximum marks...
A man donated 15%, 20% and 23% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
Relevant for Exams:
