Question
As new gold hallmarking mandatory guidelines, which
carat gold requires a hallmark of 916?Solution
24-carat gold will have a hallmark "999," meaning it contains 99.9% pure gold. Similarly, 22-carat gold will have a hallmark "916," indicating it consists of 91.6% pure gold and 8.4% other alloys.
A cyclist travels at a speed of 20 km/h. After riding for 2 hours, he stops for 30 minutes and then continues to ride at a speed of 15 km/h for another ...
A person spends 40% of his income on rent, 30% on food, and 20% on education. If he saves ₹2000, what is his total income?
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...
A father is three times as old as his son. Four years ago, he was five times as old as his son. What are their present ages?
Find the equation of the line passing through the point (3, 4) and having a slope of 2.
P and Q invested certain amount of money in two SIP's A and B. SIP A offers simple interest at rate of 12.5% for 4 years and SIP B offers compound inter...
? = 49.99² ÷ (1.98⁵ + 8.01 × 89.91) + 75.15% of (263.89 × 49.11)
Evaluate: 1 + tan²(cos⁻¹x)
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...
A product is sold at ₹720 after two successive discounts of 10% and 20%. Calculate the marked price of the product.
