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Oxalic acid is an organic compound with the formula C₂H₂O₄. Some call it “crab acid” due to its appearance. Its condensed formula is HOOCCOOH, reflecting its classification as the simplest dicarboxylic acid.
‘X’ and ‘Y’ are capable of finishing a work in 9 days and 12 days respectively. They worked together for 3 days. Find the number of days ‘Y’...
Shivam invested 20000 at 12% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.23600. What is t...
Pipe X requires 12 hours to fill 2/3 of a tank, whereas pipe Y can empty the entire tank in 24 hours. If both pipes are opened si...
The ratio of Pawan's income to Qureshi's income is 6:5. Pawan spends 75% of his income, while Qureshi saves 24% of his income. What percentage of Pawan'...
Let f:R→R be defined as f(x) = cosx + sinx. Then the range of f(x) is:
'P' invested a certain amount at 21% per annum simple interest for 2 years. If he had instead invested the same amount at 20% per...
A trader marks up the price of an article by 50% and offers a discount of 20%. If the trader makes a profit of ₹150 on the article, what was its cost ...
The following table shows the monthly rainfall in a city for the first six months of the year:
A person deposits ₹12,000 in a bank offering a 5% interest rate compounded annually. After 2 years, how much interest will he have earned?
A shopkeeper marks an article 50% above the cost price and then gives two successive discounts of 20% and 10%. What is his overall profit or loss percen...