Question
Which of the following rules is used to determine the
direction of induced current due to the motion of the coil at right angle to the magnetic field?Solution
The correct answer is D
Let A be a 3 × 3 matrix such that |A ∣ =4. Then ∣ adj(adj(A)) ∣ equals:
Quantity I: A shopkeeper bought an article for Rs. 3000 and marked its price up by 50%. He then gave two successive discounts of 10% and ‘x’%, makin...
A car travels 300 km at a speed of 60 km/h and another 200 km at a speed of 80 km/h. Find the approximate average speed of the car for the entire journey.
A person 'P' borrowed some money from a friend who lends under a unique interest structure. For the first two years, the annual i...
Anuj invested a certain amount for 18 months at a simple interest rate of 5% per annum and received a total of Rs. 3,440. What wo...
The following table shows the number of cars sold by a dealership in the first six months of the year.
Quantity I: A can complete a task in 15 days, while B can do it in 12 days. A worked alone for the first 5 days and then left. B and C together finished...
945, 824, 680, 511, ?, 90
If log₅(x + 125) – log₅ x = 2, find x.
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