Question
The radius of a cylindrical metal drum is 18 cm. The
height is 25% less than its radius. If 1 cm³ of the metal weighs 0.3 gm, find the total weight of the drum in kilograms. (Use π = 22/7)Solution
If f(g(x))= x, where f and g are inverses of each other and f’(x) = 1/(1+x ² ), then g’(x) equals:
Quantity I: Aditya invests Rs. Y at 15% simple interest for 4 years, and Varun invests the same amount at 25% simple interest for 5 years. If the diffe...
16, 17, 35, 106, 425, ?
The current ages of Shivani and Shilpa are in the ratio 7:5. Shipra's present age is 20% more than what Shilpa's age was five years ago. If the average ...
Find the difference between the smallest number of five digits and greatest number of four digits?
A sum of ₹10,000 is invested in two schemes A and B. Scheme A offers 10% per annum and scheme B offers 15% per annum. If the total interest earned aft...
A circle with radius 8 cm is inscribed in a square. What is the area of the square?
- What was the first successful supercomputer?
Which of the following option can be used to change page-size and margins?
"Arjun" can complete a task on his own in 20 days. "Bhuvan" requires 5 days more than "Chirag" to finish the same task, where "Ch...
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