Number & Arithmetic — practice questions with answers
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The HCF of two numbers is 9 and their LCM is 360. If one of the numbers is 45, the other number is:After how many decimal places will the decimal expansion of 23/40 terminate?Which of these numbers is divisible by 9?What is the place value of the digit 5 in the number 458762?Which of these numbers is divisible by both 4 and 6?Which of these fractions is the largest?I am a two-digit number. I am a multiple of 7, and the sum of my two digits is 8. What number am I?Two bells ring at intervals of 6 minutes and 8 minutes. If they ring together at 9:00 am, after…What is the smallest whole number that leaves a remainder of 3 when divided by 5 and a remainder…In a class, 3/5 of the students are girls. If there are 12 boys, how many students are there in all?Which fraction is the largest: 2/3, 3/4, 5/6, 7/12?The sum of three consecutive even numbers is 78. What is the largest of the three?When the digits of a two-digit number are reversed, the new number is 27 more than the original.…The smallest number by which 675 must be multiplied to get a perfect cube is:How many two-digit numbers are divisible by both 3 and 4?The HCF of two numbers is 16 and their LCM is 160. If one of the numbers is 32, the other number is:Three bells ring at intervals of 9, 12 and 15 minutes. If they ring together at 9:00 a.m., when…The greatest number that divides 245 and 1029 leaving remainder 5 in each case is:The least number which, when divided by 6, 15 and 18, leaves remainder 5 in each case is:What is the least number of identical square tiles needed to pave a rectangular floor 15 m 17 cm…Using repeated division (the division algorithm), the HCF of 4052 and 12576 is:Which of these numbers is divisible by 11?If the seven-digit number 517x324 is divisible by 9, then the digit x is:The remainder when 7¹⁰⁰ is divided by 5 is:Which of the following numbers is divisible by 8?
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