Practice No. System Questions and Answers

• Sahil can make a toy in 3 hrs, 25 minutes and 13 seconds. How much time he will take to make 8 such toys?
• In a class, 3/7 of the students are girls and rest are boys. If 1/3 of the girls and 1/5 of the boys are absent. What part of the total number of students ...
• A fraction becomes 1/6 when 4 is subtracted from its numerator and 1 is added to its denominator. If 2 and 1 are respectively added to its numerator and th...
• The value of √(56+√(56 +√(56+ √(56+√56+ ................ ))   ))  is
• What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
• If we add 1 to the numerator and subtract 1 from the denominator a fraction becomes 1. It becomes 1/4 if we only add 7 to the denominator what is the fract...
• A lending library has a fixed charge for the first 7 days and an additional charge for each day thereafter. Sahil paid Rs . 215 for a book kept for 15 days...
• Raj scored 140 marks in a test getting 3 marks for each right answer and losing 1 mark for each wrong answer, had 4 marks been awarded for each correct ans...
• What least number must be added to 6834 to get a number exactly divisible by 18?
• The difference between a number and its four – seventh is 60. What is the number?
• If a number is decreased by 8 and divided by 12, the result is 16. What would be the result if 10 is subtracted from the number and then it is divided by 5...
• 3245.34 + 923.5 + 23.5 =?
• 103² + 75² - 25² =?
• 99² +? ² = 18826
• The sum of eight consecutive even numbers of set-A is 416. What is the sum of five consecutive numbers of another set whose lowest number is 18 more than t...
• Albela Sells Chocolates in the packs of 6 chocolates, 12 chocolates, 18 chocolates and 24 chocolates etc, but the rate is necessarily uniform. One day Babl...
• Find the number of Digits required to write down the number of Pages in a 500 page book?
• When a number is divided by 114, remainder is 82. What will be the remainder when the cube of the number is divided by 19?
• There are 3 natural numbers. If the average of any 2 numbers is added with the third number 34, 30 and 28 will be obtained. Find the numbers.
• A and B have 6 and 7 pieces of bread respectively. They share their food with C, who pays them Rs 42 for the received breads. If each of them has equal bre...
• The sum of four consecutive counting numbers is 154. Find the smallest number?
• The ages of Geeta, Meera and Tina are in the ratio of 6:4:7 respectively. If the sum of their ages is 34 years, what is Meera’s age? 
• A Student was asked to add 8 and subtract 5 from a number. By mistake, he added 5 and subtracted 8. If his answer is 11, what should be the correct answer?
• If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?
• Arvind's age after 19 years will be 67 years. Ravi is 4 years older than Arvind. The ratio of present ages of Samar and Ravi is 9:13. Find the age of Samar...
• 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?
• The sum of three consecutive odd natural numbers each divisible by 3 is 81. Which number is the largest number among the three numbers?
• The ratio of Raj’s to Simran’s salary is 3: 5. If Simran’s salary is increased by 25%, her total salary becomes Rs. 54,000. What is the s...
• How many Zeros can be formed by multiplying 10×20×30×40×…………….× 100
• The difference between the value of the number increased by 20% and the value of the number decreased by 30% is 120. Find the number.
• In a kilometre race, A beats B by 30 metres or 6 seconds. Find the time taken by A to finish the race?
• The sum of four consecutive even numbers is 108. What is the sum of the squares of these numbers? 
• The value of a machine depreciates every year by 12%. What will be its value after 2 year if its value is Rs 19,650?
• In a group of three numbers first is double of second and half of third. The average of three numbers is 56. Find the difference between the first number a...
• If (3 - 4/(1+ 2/(3+ 1/(2+1/3))))th part of a journey takes 45 minutes, then to complete 4/5th of that journey, it will take:
• Uttarakhand Government accomplished a Golden Triangular Project. Under this Project, the State Government Laid down 6 lane roads connecting the three citie...
• Happy and Sad are running on a circular track of radius 245 metres. Happy can complete a round in 200 seconds and the speed of Sad is twice the speed of Ha...
• The number 611611611611611611611 is 
• 180 is divided into two parts in such a way that the fifth part of the first part and the fourth part of the second are in the ratio 4:5. Second part is ho...
• Divisor is 7 times of Quotient and 3 times of its remainder. If the remainder is 7. Find the dividend?