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The country has developed the first fleet of hydrogen powered passenger trains which has replaced 15 diesel engine trains.
I). p 2 – 17p + 70 = 0
II). q 2 – 25q + 154 = 0
In a school, 40% of the students are boys, and the rest are girls. If 75% of the boys and 80% of the girls passed an exam, what percentage of the total ...
The sum of the ages of a father and his son is 50 years. Five years ago, the father's age was four times that of his son. What are their current ages? ...
A cuboid has a length of 10 cm, a width of 8 cm, and a height of 6 cm. Find the length of its diagonal and its total surface area.
If 25 is added to the numerator of a fraction and its denominator is multiplied by 10, the value of the fraction increases by 35%. What is the numerator...
A company earns ₹3000 from selling 200 units of a product. If the fixed cost is ₹1000 and the variable cost per unit is ₹5, what is the profit or ...
'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 principal of ₹8000 is invested at a compound interest rate of 10% per annum. What will be the amount after 2 years?
If the ratio of the ages of A, B, and C is 2:3:5 and the sum of their ages is 50 years, what is the age of the youngest person?
A gave 30% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.192, then find the amount received by B from A.