Question
Which one of the following statements is INCORRECT with
respect to mass spectrometry?Solution
The correct answer is C
What is the unit digit of the sum of first 111 whole numbers?
In an examination, five studentsāA, B, C, D, and Eāparticipated. The overall average score for these students was 58. Specifically, students A, C, a...
How many 4-digit numbers can be formed from digits 1ā9 (no repetition) such that the number is divisible by 3?
Find the sum of all two-digit numbers that are exactly divisible by 5.
When a number is increased by 60% then the number obtained is 56 less than thrice the original number. Find the original number.
- The sum of two numbers is 144. Their LCM is 540 and HCF is 15. What is the smaller number?
The value of
- Find the median of the following observations:
120, 125, 115, 130, 140, 135, 145 A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
When a number is increased by 30% then the number obtained is 34 less than thrice the original number. Find the original number.