Question
In general, the problems ascribed to be created by the
use of chemical fertilizers include(s):Solution
Excess use of fertilizers leads to decrese in productivity and fertility of soil.
A test consists of 20 questions, where each question is worth either 3 marks or 5 marks. The total marks for the entire test add up to 70. How many ques...
How many terms are there in the geometric progression 4, 20, 100...... 62500?
What is the remainder when 7⁴ is divided by 10?
- The divisor is 30% of the quotient and 3 times the remainder. If the remainder is 5, then what is the dividend?
is divisible by which one of t...If the 6-digit number '5a1897' is divisible by '11', determine the value of 'a'.
Find the largest number which should replace 'x' in the number 8423x4, to make the number divisible by 4.
If X + Y = 23 and XY = 126, what is the value of (X)² + (Y)² ?
There are nine consecutive even numbers such that the smallest number is 50% of the largest number. Find the sum of the second lowest and second highest...
The sum of the digits of a two-digit number is 9, and when the digits are reversed, the number decreases by 45. Find the changed number.
