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Distance covered by X in 2 hours = 25 × 2 = 50 km Relative speed of X and Y = 25 + 15 = 40 km/hr Sum of distance covered by both in 4 hours = 40 × 4 = 160 km Total distance between points ‘A’ and ‘B’ = 50 + 160 = 210 km
A wire is bent to form a square whose sides are of 66 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...
A cone has a base radius of 7 cm and a slant height of 25 cm. Find the total surface area of the cone.
One-fifth of a number is equal to two-fifths of 25% of another number. Determine the ratio of the two numbers.
A shopkeeper sells an item at a 10% loss. Had he sold it for 40 more, he would have gained 10%. Find the cost price of the item
If Seema had run at a speed of 14 km/hr instead of 7 km/hr, she would have covered 20 km more distance. What would have been the actual distance cover...
A person is standing 30 meters away from the base of a building. If the angle of elevation from the person's eye level to the top of the building is 60 ...
A man invested certain sum at simple interest of r% p.a. such that it amounts to 126% of itself in 10 years. Find the interest earned when Rs. 12000 is ...
A man spends 30% of his salary on rent, 25% on groceries, and the remaining on savings. If he saves ₹18,000, what is his total salary?
I). 3p 2 – 13p + 12 = 0
II). 4q 2 + 3q – 7 = 0
240.11% of 145.09 – 169.912% of 159.89 + 13.12 × √402 = ?
