Related InterviewSolutions

• Find a 4-digit odd number using each of the digits 1, 2, 4 and 5 only once such that when the first and the last digits are interchanged, it is divisible by 4.
• A merchant has 120 litres of oil of one kind, 180 litres of another kind and 240 litres of a third kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be the greatest capacity of such a tin?
• What can the maximum number of digits be in therepeating block of digits in the decimal expansion of `1/7?`Perform the division of check your answer.
• यदि 5437*7,9 से विभाजित हो तो * के स्थान पर अंक होगा।
• Fill in the blanks to make the statements true.(a) 1 metre = _____ millimetres. (b) 1 centimetre = _____ millimetres. (c) 1 kilometre = _____ millimetres.
• State whether the given statements are true (T) or false (F).If a number exactly divides the sum of three numbers, it must exactly divide the numbers separately.
• Out of 180000 tablets of Vitamin A, 18734 are distributed among the students in a district. Find the number of the remaining vitamin tablets.
• Look at several examples of rational numbers in the form p/q (q ≠ 0), where p and q are integers with no common factors other than 1 and having terminating decimal representations. Can you guess what property q must satisfy?
• If the difference between the sum of digits at odd places (from the right) and the sum of digits at even places (from the right) of a number is either 0 or divisible by _____, then the number is divisible by 11.
• Visualise `2. 665`on the number line, using successive magnification.