Question
Which of the following statements is/are correct?
1.Photochemical smog is formed by the reaction of nitrogen oxides (NOx) and volatile organic compounds (VOCs) in the absence of sunlight. 2.Ground level ozone is the primary constituent of the smog. Select the correct answer using the code given below:Solution
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities. It tends to occur more often in summer, because that is when we have the most sunlight
The LCM of two numbers is 3600 while their HCF is 60. If one of the numbers is 600, then the other number is:
The HCF of two numbers is 21. Which of the following can never be their LCM?
How many pairs of natural numbers (x, y) exist such that x>y and the product of x, y and HCF (x, y) = 2520? solve this
LCM of two prime numbers 'x' and 'y' is 437 where x < y. Find the value of 'y'.
If the product of two numbers is 96 and their HCF is 8, find the LCM of the given two numbers.
The sum of two numbers is 65 and their HCF is 13. Total number of such pairs of numbers is?
The product of two numbers is 216 and their HCF is 6. What is the LCM of the numbers?
What is the least number which is a perfect square and divisible by 3, 10, 12, and 15?
LCM of two numbers is 64 times of their HCF. Sum of the HCF and LCM is 975. If the first number is 960. Find the other number?
- The LCM of two numbers is 240, and they are in the ratio 3:5. Determine the sum of these numbers.