Numbers Questions

• The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?
• Convert binary 10110 to decimal.
• What is the reflection of the point (6, -3) in the line y = 2?
• What least number must be subtracted from 518, so that the sum is completely divisible by 13?
• What is the sum of the first 13 terms of an arithmetic progression if the 5th term is 1 and the 8th term is -17?
• Which of the following numbers is not a prime number?
• The co-ordinates of the centroid of a triangle ABC are (-1,-2) what are the co-ordinates of vertex C, if co-ordinates of A and B are (6,-4) and (-2,2) respectively?
• Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?
• The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
• Out of a group of three numbers, second is thrice of the first and also twice of the third. If the sum of the three numbers is 55 then find the largest number in the group.
• What is the average of first 11 multiples of 11?
• A number is greater than 58 times its reciprocal by 3/4. What is the number?
• What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
• If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be
• The sum of a non-zero number and thrice its reciprocal is 52/7. Find the number.
• Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 429, then what is the difference between the first and the third number?
• The difference between the greatest and least five digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed)
• Of the 5 numbers whose average is 76, the first is 3/7 times the sum of other 4. The first number is
• If the sum of a number and its reciprocal be 2, then the number is
• What is the value of 2 consecutive natural numbers, sum of whose squares is 145?