Practice No. System Questions and Answers

• Three-fifths of Rahul's salary is equal to Priya's salary, and two-thirds of Priya's salary is equal to Raj's salary. If the sum of their salaries is ₹1,...
• Nine numbers are arranged in decreasing order. The average of the first eight numbers is 50, and the average of the last eight numbers is 45. What is the d...
• Ten numbers are arranged in decreasing order. The average of the first nine numbers is 55, and the average of the last nine numbers is 50. What is the diff...
• Five numbers are arranged in decreasing order. The average of the first four numbers is 60, and the average of the last four numbers is 55. What is the dif...
• When a number is increased by 8, it becomes 120% of itself. The number is:
• The cost of 3 notebooks and 2 erasers is Rs.47, and the cost of 5 notebooks and 4 erasers is Rs.83. What is the total price (in Rs) of 2 notebooks and 3 er...
• What is the digit in the units place of the number (1624)24 ?
• Find the unit digit in (257)45 × (248)73.
• Find the number of factors in 1750.
• A six-digit number 4c68d2 is divisible by 12. Find the sum of all possible values of 'c' for the largest possible value of 'd'.
• 'M' is the largest three-digit number that leaves 3 as a remainder when divided by 9, 12 and 5, Find the sum of digits of 'M'.
• Sandeep can solve 20 questions in 1 hour. If he decreased his efficiency by 20%, then how much time would he take to solve the same number of questions?
• Find the remainder when the number (289n + 147) is divided by 17.
• The sum of a positive number 'A' and its square is 240. Find the value of (A2 - 7A).
• Find the largest three-digit number that leaves '3', '4' and '5' as remainder when it is divided by '7', '8' and '9', respectively.
• If '176x95' is a six-digit number that is divisible by 3, then find the maximum value of '5x'.
• Find the smallest integer that must be subtracted from 653, so that it is divisible by both 23 and 27.
• What is the number of divisors of 360?
• 15% of a number is 1.2. Find that number.
•  If (3/4)th of a number is subtracted from (5/6)th of that number, then the resultant will be (2/6). Find the number.
• The scores of KL Rahul in a T20 series were 78, 34, 56, 90, and 45. While the scores of Rishabh Pant in the same series were 22, 87, 43, 100, and 60, respe...
• Determine the following number which is divisible by 3?
• Find the mean proportion of 2.56 and 0.0324.
• What is the fourth proportional of √20, √30, and √18?
• Find the number of even numbers between 12 and 30.
• if the sum of two numbers is 360, and one of the numbers is 50% more than the other number, find the larger number.
• Find the fourth proportional of 12, 24, and 30.
• Which number must be multiplied with 2352 to transform it into a perfect square?
• Which of the following numbers is divisible by 11?
• If a number 'x' is increased by 30% and then decreased by 20%, the resultant obtained is 416, then find the value of 'x'.
• What is the largest three-digit number that, when divided by 11 or 19, leaves a remainder of 4?
• What is the smallest four-digit number that can be evenly divided by 20, 24, and 36?
• Consider three numbers whose total is 294. The first and second numbers are in a ratio of 5:7, and the second and third numbers are in a ratio of 7:9. Dete...
• How many integers are there between 50 and 600 that are divisible by both 15 and 25?
• For which range of 'p' does the expression 19p - 2p²- 35 have a positive value??
• The mean of three distinct numbers is 30. If the third number is to the combined total of the first two numbers in the ratio 16:29, what is the sum of the ...
• What is the largest three-digit number that, when divided by either 13 or 17, results in a remainder of 2?
• In an examination, five students—A, B, C, D, and E—participated. The overall average score for these students was 58. Specifically, students A, C, and ...
• How many whole numbers between 100 and 750 are multiples of both 18 and 24?
• Identify the number that, when subtracted by its square root, results in a difference of 42.