Question
12 % of 72 × 25 – (x ÷ 20) × (16 ÷ 24) × 36 + 1/5
× x = (4 ÷ 12) × 36 ÷ 1/4 What should come in place of (x) in the following equatiion ?Solution
12/100 × 72 × 25 -× x/20 × 16/24 × 36 + 1/5 × x = 4/12 × 36 ÷ 1/4 216 - (6 x)/5 + x/5 = 12 × 4 216 – 48 = (6 x)/5 -  x/5 168 = (5 x)/5 ∴x = 168
A man can row a boat in still water at a speed of 8 km/h. He rows downstream for 1 hour and then returns upstream. If the total time taken for the entir...
- What is the term for restarting a computer that is already powered on?
{14.13 x 28.84 - 39.95% of 420.09 + 128.89} = ?
A coin is tossed. If head occurs, a ball is drawn from a bag containing 3 red and 4 green balls. If tail occurs, a die is thrown. The probability that t...
If a, b, c are in GP, then which of the following is always true ?
Solve the quadratic equations and determine the relation between x and y:Â
Equation 1: x² + 2x - 15 = 0
Equation 2: y² - 4y - 12 = 0
A man observes the top of a tower at an angle of elevation of 45°. He walks 50 meters towards the tower, and the angle of elevation becomes 60°. What ...
Simplify: (1 + i)³ / (1 + i³)
Let sinA+ sinB = a and cosA+ cosB = b, then the value of a² + b² = ?
A particular sum of money, when invested at a simple interest rate, yields Rs. 3,000 as interest after 2 years. The same sum, whe...
Relevant for Exams:
