Practice No. System Questions and Answers

• Find the number of multiplication blocks in 52900.
• 87.5% of the voters in State 'P'  is equivalent to 10/11 of the voters in State 'Q', and 10/11 of the voters in State 'Q' is equal to 93.75% of the voters...
• Which term of the arithmetic progression 88, 90, 92, 94... is 142?
• If the first term of a geometric progression (GP) is 12 and the common ratio is 4, then find the sum of its 4 terms.
• If the first term is 125 and the common ratio is 2/5, then what will be the fourth term of the geometric progression (GP)?
• How many terms are there in the geometric progression 4, 20, 100...... 62500?
• How many terms are there in the geometric progression 7, 14, 28, ......, 14336?
• The sum of the first 163 terms of a GP is equal to the sum of the first 161 terms in the same GP. If the 117th term in the same GP is 985, then what will b...
• The sum of the first 123 terms of the geometric progression (GP) is equal to the sum of the first 121 terms of the Ursa geometric progression (GP). When th...
• How many terms are there in the geometric progression 6, 18, 54, 39366?
• Find the geometric mean for the series given below. 31, 93, 279
•  How many numbers up to 800 are divisible by both 3 and 5?
• Which of the following should be replaced with # in the number 12324#84 so that it becomes a multiple of 8?
• Find the sum of all those 3-digit numbers which when divided by 10 leave a remainder of 5.
• X is 10 ft tall, and he notices that he casts a shadow that's 3 ft long. He then measures that the shadow cast by his school building is 30 ft long. How ta...
• 3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3 tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?
• 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.
• In a bag full of pencils, 3/4 of the pencils were colored pencils, and 8/15 of the colored pencils were red. If there were 72 red pencils in the bag, what ...
• The sum of two numbers is 18 while the sum of their squares is 164. Find the sum of the cubes of those two numbers.
• Find the difference between of the greatest among the numbers 0.82, 0.802, 0.85, 0.085 with the smallest among the numbers 0.3, 0.03, 0.203, 2.03
• Bhawna won 3/5 of the marbles that were there at the beginning of the game. Ravi won 2/3 of the remaining marbles while Sunny won the remaining 80 marbles....
• The denominator of a rational number is 4 more than its numerator. If the numerator is increased by 5 and the denominator is decreased by 3, we obtain 3. T...
• The denominator of a positive rational number is 4 more than its numerator. If the numerator is increased by 6 and the denominator is increased by 5, then ...
• A positive number, when 15 is added to it, becomes 50 times its reciprocal. Find this positive number.
• A positive number becomes 34 times its reciprocal if 9 is subtracted from it. Find the number.
• A positive number becomes 9 times its reciprocal when 3 is added to it. Find this number.
• 385! In the trailing Zeros, let us know.
• What is the difference between 3/5 of 150 and 1/2 of 300?
• Two friends received a bonus of ₹3,000 each in their bank accounts. They already have ₹47,000 and ₹57,000 in their respective bank accounts. The rati...
• Select the option that gives decimal numbers 0.24, 1.23, 0.0881, and 2.66 arranged in ascending order.
• The difference between two numbers is 60% of the larger number. If the smaller number is 10, find the larger number-
• The value of a washing machine depreciates by 10% every year. The current price of the washing machine is ₹9477. What was the price of the machine three ...
• Christina spends half of her salary and saves the other half. If she spends ₹ 40,000 monthly, what is her annual savings?
• Sum of the three numbers is 150. Ratio of the first number to second number is 3:5 and the ratio of second number to third number is 5:7. Find the second n...
• Sum of the three numbers is 180. Ratio of the first number to second number is 4:7 and the ratio of second number to third number is 7:9. Find the second n...
• The ratio of two natural numbers 'x' and 'y' is 9:13, respectively. When 30 is added to 'x' and 15 is subtracted from 'y', the ratio of 'x' to 'y' becomes ...
• The ratio of two natural numbers 'u' and 'v' is 3:4, respectively. When 12 is added to 'u' and 8 is subtracted from 'v', the ratio of 'u' to 'v' becomes 5:...
• There are three numbers 'a', 'b' and 'c' (a < b < c) such that 'b' is equal to the average of 'a' and 'c'. 70% of 'c' is equal to 'a' and the difference be...
• There are three numbers 'u', 'v' and 'w' (u < v < w) such that 'v' is equal to the average of 'u' and 'w'. 80% of 'w' is equal to 'u' and the difference be...
• The cube of the difference between two given natural numbers is 1728, while the product of these two given numbers is 108. Find the sum of these two given ...