How many molecules are present in one mole of water?
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A train travelling at the speed of 66 kmph crosses a 300 m long platform in 24 seconds. How long was the train?
Which of the following metals does NOT react with Oxygen even at a high temperature?
Type 1 workers are 2.5 times as efficient as type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 15 Type 2 workers to do the same work?
If Rs. 2,000 is invested at the rate of 20% per annum, compounded half-yearly, then the amount after 18 months will be:
Which of the options depicts the correct mirror image of the following figure?
Lateral
Which of the following is NOT a property of bases?
For dilution of a concentrated acid, we should add: