Distance covered by X in 2 hours = 21 × 2 = 42 km Relative speed of X and Y = 21 + 18 = 39 km/hr Sum of distance covered by both in 4 hours = 39 × 4 = 156 km Total distance between points ‘A’ and ‘B’ = 42 + 156 = 198 km
Find the value of cos 15° × cos 75° + sin 15° × sin 75°:
Two types of wheat costing ₹45 per kg and ₹65 per kg are blended in a ratio such that the final mixture is sold at ₹72 per kg with a 20% profit. W...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 45 and ratio of the 4th and the 5th number is 2:3. If difference between t...
-Constable/1727247429-67.JPG)
A trader purchases an item at 25% below the labeled price and sells it at 35% above the labeled price. If his profit is ₹1,500, what is the cost price...
24 × 25 – 375 + 5² = 25% of ? + 2.5% of 6000
If P is the amount invested at 5% p.a compounded half yearly for 2 years, what would be the amount received at the end of 2 years?
The simple interest on a sum of money is 8/25 of the sum. If the rate of interest per annum is two times of the number of years in numerically. Find the...
A boat can travel 30 km downstream in 2 hours and return upstream in 3 hours. What is the speed of the boat in still water?
A regular hexagon has a side length of 6 units. What is the area of the hexagon?
