Question
Income of A is twice the income of B. B and A spend 70%
and 80% respectively of their incomes. Find the savings of A, if B saves Rs. 21000 in a month.Solution
Let, income of B be Rs. ‘x’ Expenditure of B = 0.7x So, 0.3x = 21000 x = Rs. 70000 Income of A = 2 × 70000 = Rs. 140000 Savings of A = 20% of 140000 = Rs. 28000
Predict the correct output

What is the decimal equivalent of the binary number 10101?
What data structure is commonly used to represent the parse tree in parsing?
In big data analytics, what is the process of identifying and correcting errors or inaccuracies in the collected data?
Which type of transistor is less susceptible to thermal runaway?
Deleting top element of stack?
Comparing two strings by using which function?
In virtual circuit network each packet holds ___________
Which type of neural network architecture is specifically designed to process data with a variable-length sequence?
Which concurrency control technique uses read and write locks to ensure consistency?