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 numbers between 301 and 320 are : 4 1 2 3 2 / 50 2) 10531 + 4813 – 728 = ? × 87 165 167 168 164 3 / 50 3) If p is a prime number greater than 3, then (p2 – 1) is always divisible by : 12 but not 24 24 6 but not 12 None of these 4 / 50 4) 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 5 / 50 5) Which one of the following is a prime number ? 272 373 273 367 6 / 50 6) (71 × 29 + 27 × 15 + 8 × 4) equals : 276 2456 2496 None of these 7 / 50 7) 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 I is correct Both I and III are correct Both I and II are correct Only III is correct 8 / 50 8) 38649 – 1624 – 4483 = ? None of these 3465 3557 3457 9 / 50 9) When the square of any odd number, greater than 1, is divided by 8, it always leaves remainder : 3 1 Cannot be determined 10 / 50 10) 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 11 / 50 11) 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 : 12 8 14 10 12 / 50 12) 76n – 66n, where n is an integer > 0, is divisible by : All the above 127 559 13 13 / 50 13) What is the remainder when 461 is divided by 51 ? 24 20 None of these 28 14 / 50 14) The number (248 – 1) is exactly divisible by two numbers between 60 and 70. The numbers are : 65 and 67 63 and 65 61 and 65 63 and 67 15 / 50 15) n being any odd number greater than 1, n65 – n is always divisible by : 5 None of these 16 24 16 / 50 16) 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 ? 2 only Both 1 and 2 Neither 1 nor 2 1 only 17 / 50 17) The unit’s digit of 132003 is : 9 5 7 11 18 / 50 18) 8899 – 6644 – 3322 = ? – 1122 55 50 60 65 19 / 50 19) If B > A, then which expression will have the highest value (given that A and B are positive integers) ab can't say a + b a – b 20 / 50 20) 1260 ÷ 14 ÷ 9 = ? 9 7 10 11 21 / 50 21) 884697 – 773697 – 102479 = ? 8521 8821 8721 8621 22 / 50 22) Which of the following is a prime number ? 125 126 128 127 23 / 50 23) The numbers 2, 4, 6, 8 ….. 98, 100 are multiplied together. The number of zeros at the end of the product must be : 14 13 12 11 24 / 50 24) 217 × 217 + 183 × 183 = ? 80578 80234 80567 80345 25 / 50 25) 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 : 34 37 36 35 26 / 50 26) In the following sum, ‘?’ stands for which digit : ? + 1? + 2? + ?3 + ?1 = 21? 4 12 16 8 27 / 50 27) 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 ? 30 40 50 20 28 / 50 28) 6 × 66 × 666 = ? 263763 267336 263736 263376 29 / 50 29) What is 394 times 113 ? 55622 33522 44522 77522 30 / 50 30) 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 : 239 249 238 236 31 / 50 31) A number divided by 68 gives the quotient 260 and remainder zero. If the same number is divided by 65, the remainder is : 3 6 9 32 / 50 32) The sum of the perfect square between 120 and 300 is : 1500 1700 1300 1400 33 / 50 33) If all the numbers from 501 to 700 are written, what is the total number of times the digit 6 appears ? 141 139 140 138 34 / 50 34) 414 × ? × 7 = 127512 45 43 44 42 35 / 50 35) 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 ? 87 86 89 99 36 / 50 36) (96 + 1) when divided by 8, would leave a remainder of : 2 3 1 37 / 50 37) What is 786 times 964 ? 759276 757704 754164 749844 38 / 50 38) If 6*43 – 46@9 = 1904, which of the following should come in place of * ? None of these 7 5 9 39 / 50 39) 12345679 × 72 is equal to : 898989898 88888888 888888888 999999998 40 / 50 40) The number 89715938* is divisible by 4. The unknown non-zero digit marked as * will be : 4 6 5 7 41 / 50 41) The largest natural number, which exactly divides the product of any four consecutive natural numbers, is : 12 22 18 24 42 / 50 42) What minimum value should be assigned to *, so that 2361*48 is exactly divisible by 9 ? 2 6 4 3 43 / 50 43) What is the number of prime factors contained in the product 307 × 225 × 3411 ? 56 53 49 51 44 / 50 44) 74844 ÷ ? = 54 × 63 22 18 16 20 45 / 50 45) Find the multiple of 11 in the following numbers. 112144 447355 978626 869756 46 / 50 46) 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 ring finger index finger thumb middle finger 47 / 50 47) The number of prime factors in the expression 610 × 717 × 1127 is equal to : 84 64 74 94 48 / 50 48) If the sum of two numbers is 14 and their difference is 10. Find the product of these two numbers. 28 24 26 22 49 / 50 49) Which one of the following numbers is divisible by 3 ? 4006020 2876423 2345678 9566003 50 / 50 50) (46)2 – (?)2 = 4398 – 3066 26 28 24 30 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
