Number System – Set 2 January 26, 2025 by aasi 0% Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Number System – Set 2 Dear ! This is Number System – Set 2 Quiz and it contains 50 questions. Keep Learning! 1 / 50 1) The number of prime factors in the expression 610 × 717 × 1127 is equal to : 64 94 74 84 2 / 50 2) Consider the following statements : 1. If x and y are composite numbers, then x + y is always composite. 2. There does not exist a natural number which is neither prime nor composite. Which of the above statements is/are correct ? 2 only Both 1 and 2 1 only Neither 1 nor 2 3 / 50 3) If B > A, then which expression will have the highest value (given that A and B are positive integers) a – b can't say a + b ab 4 / 50 4) 1260 ÷ 14 ÷ 9 = ? 7 11 10 9 5 / 50 5) What minimum value should be assigned to *, so that 2361*48 is exactly divisible by 9 ? 4 2 3 6 6 / 50 6) n being any odd number greater than 1, n65 – n is always divisible by : 24 5 16 None of these 7 / 50 7) 8899 – 6644 – 3322 = ? – 1122 50 60 65 55 8 / 50 8) What is the number of prime factors contained in the product 307 × 225 × 3411 ? 53 49 56 51 9 / 50 9) 38649 – 1624 – 4483 = ? 3557 None of these 3465 3457 10 / 50 10) If 6*43 – 46@9 = 1904, which of the following should come in place of * ? 5 7 None of these 9 11 / 50 11) 414 × ? × 7 = 127512 45 43 42 44 12 / 50 12) (46)2 – (?)2 = 4398 – 3066 26 28 24 30 13 / 50 13) If all the numbers from 501 to 700 are written, what is the total number of times the digit 6 appears ? 138 139 141 140 14 / 50 14) Find the multiple of 11 in the following numbers. 447355 112144 869756 978626 15 / 50 15) In a division sum, the remainder was 71. With the same divisor but twice the dividend, the remainder is 43. Which one of the following is the divisor ? 99 89 87 86 16 / 50 16) In the following sum, ‘?’ stands for which digit : ? + 1? + 2? + ?3 + ?1 = 21? 16 4 12 8 17 / 50 17) 76n – 66n, where n is an integer > 0, is divisible by : 559 All the above 13 127 18 / 50 18) The number of prime numbers between 301 and 320 are : 1 4 2 3 19 / 50 19) What is the remainder when 461 is divided by 51 ? 28 None of these 24 20 20 / 50 20) 7 is added to a certain number; the sum is multiplied by 5 ; the product is divided by 9 and 3 is subtracted from the quotient. Thus, if the remainder left is 12, what was the original number ? 40 20 50 30 21 / 50 21) The numbers 2, 4, 6, 8 ….. 98, 100 are multiplied together. The number of zeros at the end of the product must be : 13 11 12 14 22 / 50 22) Which one of the following numbers is divisible by 3 ? 9566003 2876423 4006020 2345678 23 / 50 23) The numbers 1, 2, 3, 4, ……, 1000 are multiplied together. The number of zeros at the end (on the right) of the product must be : 239 236 249 238 24 / 50 24) Which one of the following is a prime number ? 273 367 373 272 25 / 50 25) The number (248 – 1) is exactly divisible by two numbers between 60 and 70. The numbers are : 65 and 67 63 and 67 61 and 65 63 and 65 26 / 50 26) If the sum of two numbers is 14 and their difference is 10. Find the product of these two numbers. 22 24 26 28 27 / 50 27) The number 89715938* is divisible by 4. The unknown non-zero digit marked as * will be : 6 4 7 5 28 / 50 28) The unit’s digit of 132003 is : 7 11 5 9 29 / 50 29) Let x be the product of two numbers 3, 659, 893, 456, 789, 325, 678 and 342, 973, 489, 379, 256. The number of digits in x is : 37 36 34 35 30 / 50 30) Which of the following is a prime number ? 125 126 128 127 31 / 50 31) A 3-digit number 4a3 is added to another 3-digit number 984 to give the four-digit number 13b7, which is divisible by 11. Then, (a + b) is : 10 12 8 14 32 / 50 32) 6 × 66 × 666 = ? 263763 263736 263376 267336 33 / 50 33) Given n = 1 + x and x is the product of four consecutive integers. Then which of the following us true ? I. n is an odd integer. II. n is prime. III. n is a perfect square Only III is correct Both I and II are correct Only I is correct Both I and III are correct 34 / 50 34) The sum of the perfect square between 120 and 300 is : 1500 1700 1300 1400 35 / 50 35) Consider the following statements for the sequence of numbers given below : 11, 111, 1111, 11111, ….. 1. Each number can be expressed in the form (4m + 3), where m is a natural number. 2. Some numbers are squares. Which of the above statements is/are correct ? Both 1 and 2 Neither 1 nor 2 2 only 1 only 36 / 50 36) A number when divided by 195 leaves a remainder 47. If the same number is divided by 15, the remainder will be : 2 6 4 37 / 50 37) A young girl counted in the following way on the fingers of her left hand. She started calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5, then reversed direction, calling the ring finger 6, middle finger 7, index finger 8, thumb 9 and then back to the index finger for 10, middle finger for 11, and so on. She counted upto 1994. She ended on her middle finger ring finger index finger thumb 38 / 50 38) If p is a prime number greater than 3, then (p2 – 1) is always divisible by : 6 but not 12 24 12 but not 24 None of these 39 / 50 39) (96 + 1) when divided by 8, would leave a remainder of : 3 2 1 40 / 50 40) The largest natural number, which exactly divides the product of any four consecutive natural numbers, is : 12 22 24 18 41 / 50 41) 217 × 217 + 183 × 183 = ? 80578 80234 80345 80567 42 / 50 42) What is 786 times 964 ? 759276 749844 757704 754164 43 / 50 43) 884697 – 773697 – 102479 = ? 8721 8821 8621 8521 44 / 50 44) 10531 + 4813 – 728 = ? × 87 165 164 167 168 45 / 50 45) 12345679 × 72 is equal to : 999999998 898989898 88888888 888888888 46 / 50 46) 74844 ÷ ? = 54 × 63 18 22 16 20 47 / 50 47) What is 394 times 113 ? 77522 55622 33522 44522 48 / 50 48) (71 × 29 + 27 × 15 + 8 × 4) equals : 2496 None of these 276 2456 49 / 50 49) A number divided by 68 gives the quotient 260 and remainder zero. If the same number is divided by 65, the remainder is : 9 6 3 50 / 50 50) When the square of any odd number, greater than 1, is divided by 8, it always leaves remainder : 3 Cannot be determined 1 Your score isThe average score is 0%🎉 Challenge alert! 💡 Share this quiz with your friends and see who scores the highest! 🏆🤩🔥 LinkedIn Facebook Follow Us @ 0% Restart quiz Exit We’d love to hear your thoughts! 📝 Share your valuable review with us. 🙌 🌟 Thank you for your support! Your feedback means the world to us. 🙏💖 Send feedback
