Question
A right triangle with sides 7 cm, 24 cm, and 25 cm is
revolved about the side of length 24 cm. What is the volume of the solid obtained?Solution
R = 7cm h= 24cm volume of the cone = 1/3 πr2 h = 1/3 π ×49×24 = 392 π cm3
In 2023, Department D overspent by 10% of its allocated budget. What is the total expenditure of Department D after the overspending?
Anoop and Bheema, working individually, can complete a task in 16 days and 12 days, respectively. If they worked together and ear...
The combined current ages of Ram and Shyam add up to 56 years. Four years from now, the age ratio of Ram to Shyam will be 3:5. Determine the age differe...
What will be come in place of (?) in the given number series.
2, 6, 18, 54, ?, 486If log₃(x + 1) − log₃(x − 1) = 2, find x.
Train ‘X’ takes 54 seconds to pass a tree and 48 seconds to completely cross train ‘Y’ when they are moving in opposite directions. If the speed...
A train takes 3 hours to travel a certain distance at a speed of 60 km/h. If the speed is increased by 20 km/h, how long will it take to cover the same ...
If f(x) = 2x² – 3x + 1, find value of f(3) + f(–3).
A rectangular water reservoir contains 42,000 liters of water. Find the depth of water in the reservoir, if the base measures 6m by 3.5m
Find the simplified value of the following expression:
(16.25 × 24 + 7 × √36) ÷ 23 + 3.75 × 16 – 37 × 2 + 7.5
...
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