Question
Which of the following colours has got the maximum
refractive index for glass?Solution
The correct answer is C
- What is the third proportion for 14 and 21?
The price of sugar is increased by 15%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original c...
The ratio of two numbers P and Q is 6: 11 respectively. When 5 is added to P and 84 is subtracted from Q, then the ratio of P and Q becomes 5: 2 respect...
Incomes of company A and company B are in the ratio of 3:7. Had the income of company A been more by Rs.20 lakh, the ratio of their incomes would have b...
A bag contains certain number of coins of different denominations. The ratio of the number of Rs. 2 coins to Rs. 5 coins is 3 : 4, respectively and the...
Two numbers are respectively 20% and 10% more than a third number. Find the ratio of two numbers.
- Find the third proportion to 16 and 24.
The ratio of zinc and copper in a brass pieces is 6:7. How much zinc will be there in 390 kg of such a piece?
In a class of 355 students, 255 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
- The mean proportional of 3 and 147 is _____.
