Practice No. System Questions and Answers

• If the 5-digit number 676pq is divisible by 3, 7 and 11, then what is the value of (6p – 7q)?
• Sum of all positive integers from 1 to 100 is
• Which of the following is a Prime Number?
• a, b and c are three integers. The sum of a and b is 61. If b is divided by a then the quotient is 2 and the remainder is 7. If cn - 2 is largest negative ...
• Anil and Ashish receive Rs.1500 for work of 6 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
• Find the average of first 7 whole numbers.
• Find the average of first 11 whole numbers.
• Find the average of first 17 whole numbers.
• Find the average of first 14 whole numbers.
• Find the average of first 12 whole numbers.
• Find the average of first 16 whole numbers.
• Find the average of first 19 whole numbers.
• Find the average of first 20 whole numbers.
• Find the average of first 21 whole numbers.
• Find the average of first 23 whole numbers.
• Find the average of first 24 whole numbers.
• Find the average of first 25 whole numbers.
• Find the median of 5, 6, 10, 7, 7, 8, 6, 5 and 12.
• Find the median of 2, 4, 6, 6, 7, 9, 14, 12 and 13.
• Find the median of 2, 8, 6, 6, 7, 9, 5, 12 and 13.
• Find the median of 2, 8, 6, 3, 7, 12, 5, 12 and 13.
• How many prime numbers are there between 40 to 50?
• Find the third proportion of 22 and 11.
• Find the third proportion of 30 and 12.
• Find the third proportion of 35 and 14.
• Find the third proportion of 30 and 15.
• Find the third proportion of 32 and 16.
• Find the third proportion of 28 and 14.
• Find the third proportion of 38 and 19.
• Sum of squares of three consecutive numbers is 1325. Find the sum of first and third number.
• Sum of squares of three consecutive numbers is 974. Find the sum of first and third number.
• Sum of squares of three consecutive numbers is 1589. Find the sum of first and third number.
• Sum of squares of three consecutive numbers is 1730. Find the sum of first and third number.
• Sum of squares of three consecutive numbers is 1454. Find the sum of first and third number.
• Sum of squares of three consecutive numbers is 677. Find the sum of first and third number.
• Sum of squares of three consecutive numbers is 770. Find the sum of first and third number.
• When a number is increased by 20% then the number obtained is 36 less than thrice the original number. Find the original number.
• When a number is increased by 60% then the number obtained is 56 less than thrice the original number. Find the original number.
• When a number is increased by 30% then the number obtained is 34 less than thrice the original number. Find the original number.
• When a number is increased by 20% then the number obtained is 72 less than thrice the original number. Find the original number.