Question
What is the name of the device that fraudsters often use
to collect card data by installing it at gas pumps or ATM machines?ÂSolution
Skimming is an act of stealing information through the magnetic strip on the cards that are used in ATMs and merchant establis
- A shopkeeper makes a profit of 25% by selling an item for Rs. 500. What should be the selling price to make a profit of 40%?
A retailer buys two items at the same cost price. He sells one at a 25% profit and the other at a 20% loss. If the overall profit is rupees 15, find the...
If x = 3tan t, y = 3sec t, then the value of d2y/dx2 at t = π/4​ is:
The average of 26 numbers is 45. If 4 is added to each number, then the new average will be:
If tan(π/4 + θ) = 3, find tan(2θ):
A milkman initially prepared a mixture of milk and water in the ratio of 11:3. Later, he replaced half of the mixture with 30 liters of water, resulting...
A cyclist rides at a constant speed of 12 miles per hour for the first half of a journey. For the second half, the cyclist increases the speed to 18 mil...
Quantity I: ‘X’ – For a number greater than one, the difference between the number and its reciprocal is equal to 40% of t...
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