Question
Lakes freeze in cold countries in winter, leaving the
water underneath at –Solution
Lake ice cover is seasonal and occurs where average daily temperature is below the freezing point. Once formed the lake ice thickens over the course of the winter as the temperature gets colder. The lakes thermal structure prepares for ice with 0 (zero) degrees Celsius water at the surface and denser 4 degrees Celsius at the bottom.
The average of 15 numbers is 32. If 2 is added to each number, then the new average will be:
Find the simplified value of the following expression:
(16.25 × 24 + 7 × √36) ÷ 23 + 3.75 × 16 – 37 × 2 + 7.5
...In a triangle, the angles are in the ratio 1:2:6. Determine the difference between the smallest and the largest angle.
5, 24, 47, 76, 113, ?.
The equation of the plane passing through the point (2,−1,3) and having direction ratios (1,4,−2) is:
What type of high-performance and costly computer can process data for hundreds or thousands of users at the same time?
The angle between the planes x − y + z = 1 and 2x + y − 3z = 5 is:
An unknown number is first multiplied by 111 and then 63 is added to it. When the resultant number is divided by 9, the quotient and remainder obtained ...
A sum of money becomes ₹7800 after 3 years and ₹8500 after 4 years at simple interest. What is the principal amount?
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