Exams

Which of the following is a Synthetic rubber?

What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it on application of 20 V of potential difference across it?

24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?

The price of an article is cut by 24%, to restore to its original value, the new price must he increased by ______.

If in 3 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs. 25,000 in 3 years at the same rate?

The marked price is 10% higher than the cost price . A discount of 10% is given to the marked price . In this kind of sale the seller

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?