Question
Water gets cooled, when ice is immersed in it. It is
because of the phenomenon ofSolution
When ice is immersed in water it starts melting. It takes latent heat from water for melting and the temperature of the water decreases, therefore water becomes cool.
If p:q = 5:7 and p + q = 408, then find the value of (q - p).
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 3000. What will be the total amount received after 2 year...
What is the mean of the following numbers:
9, 15, 18, 12, 14, 20, 22, 16
If 8 times the eighth term of an Arithmetic Progression (AP) is equal to 12 times its twelfth term, then the 20th term of the AP will be
The average of 20 numbers is calculated as 35. However, it was later discovered that one of the numbers was mistakenly recorded as 28 instead of 82. Wha...
If 3, x, y, 48 are in GP and x, y, 45 in AP, find x and y.
What is least number which when successively divided by 6, 4 and 4 leaves a remainder 5, 3 and 3 respectively?
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
When the profit obtained by selling an item for Rs. 768 is the same as the loss suffered when the item is sold for Rs. 312. What ...
If the median and mode of a data set are 6 and 12 respectively, then find the mean of the data.
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