Question
A family spends 40% of their monthly income on rent, 20%
on groceries, and 15% on utilities. If they save ₹5,400 after these expenses, what is their total monthly income?Solution
Let the monthly income be x. Rent = 0.4x, Groceries = 0.2x, Utilities = 0.15x. Total expenses = 0.4x + 0.2x + 0.15x = 0.75x. Savings = Income - Expenses = x - 0.75x = 0.25x. Given savings = ₹5,400. 0.25x = 5400 → x = 5400 / 0.25 = ₹21,600. Correct answer: C) ₹21,600
A cone has a base radius of 6 cm and a height of 8 cm. Find its volume and slant height (use π = 3.14).
120 124 151 167 292 ?
Factor the polynomial: x³ - 6x² + 11x - 6.
What is the function of the "IF" function in Excel?
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
A bag contains 8 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
In the figure, ABCD is a cyclic quadrilateral with O as center of the circle If ∠ BOC = 136°, find ∠ OBC.
