Question
A ray of light passing through an equilateral
triangular glass prism from air undergoes minimum deviation when angle of incidence is 75% of the angle of prism. Compute the speed of light in the prism?Solution
The correct answer is B
The value of A’s car is depreciating by 25% every year whereas the value of his house is appreciating by 12% each year as compared to the previous yea...
A and B together have total of Rs.4200 out of which they donated 10% to the orphanage school. The remaining amount is to be then redistributed between t...
- L is 50% less than M and N is 45% more than O. If O is 22% more than L, then which of the following is true?
Out of the total income of Priya, she spends 25% on food, 30% on rent and 25% on groceries. Out of the remaining income, she donates 10% in a charity an...
If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the s...
'B' secured 28% marks in an examination, while 'A' obtained 276 marks. If A’s score exceeds B’s by 108 marks, determine the maximum possible marks i...
A and B have incomes in the ratio of 5:6. A spends 30% of his income and manages to save Rs. 17,500. Based on this information, calculate the income of B.
A spent 23% of his monthly income on study and 40% of the remaining on rent. If amount spent on rent is Rs. 770, then find the amount spent on study
In 2020, Sumit's expenditure and savings are in the ratio of 4:3 . The following year, his expenditure increases by 25% , and his savings grow by (100/3...
Rajesh spent 46% of his monthly income on food and 54% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh ...
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