Question
The absolute temperature of a body A is five times that
of another body B. For two bodies, the difference in wave lengths at which energy radiated is maximum is 4.0 μm. Then the wavelength at which the body B radiates maximum energy in micrometre is :Solution
There are 70 rupees in a box which contains coins of 1 rupee, 50 paise, and 25 paise. If the number of 50 paise coins is 2 times the number of 25 paise ...
A bag contains coins of Rs 1, 50p, and 25p and the ratio of the number of coins is 6:15:16. If the total value of all the coins is Rs 1050 then what wil...
If the third proportion of 18 and 36 is “0.5k”, then find the value of (k − 24) : (k + 16).
What is the ratio whose terms differ by 42 and the measure of which is 3/5?
- A total of Rs. ‘K’ was to be distributed among X, Y, and Z in ratio of 6:5:7 respectively but due to some reason the money was falsely distributed in r...
Number of faculties in Physics and Biology in an institute is in the ratio of 3:5 respectively. If 75 more faculties join Physics, while 40 more faculti...
A starts a business with Rs. 75,000 and B joins the business 5 months later with an investment of Rs. 80,000. After 1 year, they earn a profit of Rs. 4,...
The monthly salary of Anuj to Bisht is in the ratio 4:3, and the monthly income of Bisht to Chetan is in the ratio 2:1. If the difference between Chetan...
A total amount of Rs. 1220 is to be divided between two friends, Ram and Ranjan, in the ratio (7/9):(11/12). What is the difference between the amounts ...
- Q and L have chocolates in the ratio of 7: 8 and B and N have chocolates in the ratio of 2: 5. Q has 20 more chocolates than B and sum of chocolates of B a...
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