Number System – Set 7 Leave a Comment / By aasi / April 22, 2025 0% Report a question What’s wrong with this question?You cannot submit an empty report. Please add some details. Number System – Set 7Dear ! This is Number System – Set 7 Quiz and it contains 50 questions.Happy Learning! 1 / 50 1) The number 1, 3, 5, 7. . . . . 99 and 128 are multiplied together. The number of zeros at the end of the product must be? 5 7 6 8 2 / 50 2) What least value must be assigned to ‘*’ so that the number 63576 * 2 is divisible by 8 ? 4 3 2 5 3 / 50 3) The sum of even numbers between 1 and 31 is? 210 230 240 220 4 / 50 4) By which number should 0.022 be multiplied so that product become 66 ? 2000 1000 3000 4000 5 / 50 5) The greatest whole number, by which the expression n4 + 6n3 + 11n2 + 6n + 24 is divisible for every natural number n , is? 42 46 48 50 6 / 50 6) 397 × 397 + 104 × 104 + 2 × 397 × 104 = ? 231001 241001 261001 251001 7 / 50 7) When ‘n’ is divisible by 5 the remainder is 2. What is the remainder when n2 is divided by 5 ? 3 5 4 6 8 / 50 8) The smallest number, which should be added to 756896, so as to obtain a multiple of 11, is? 4 3 7 6 9 / 50 9) Which one of the following is a factor of the sum of first twenty-five natural numbers ? 10 11 12 13 10 / 50 10) On multiplying a number by 7 all the digit in the product appear as 3’s , the smallest such numbers is? 47616 47617 47618 47619 11 / 50 11) When a number is divided by 13, the remainder is 11. When the same number is divided by 17, then remainder is 9. What is the number ? 349 345 367 365 12 / 50 12) The sum of all natural numbers from 75 to 97 is? 1980 1978 1967 1976 13 / 50 13) When an integer K is divided by 3 the remainder is 1, and when K + 1 is divided by 5, The remainder is ‘0’. Of the following the possible value of K is? 60 64 62 66 14 / 50 14) If the sum of two numbers is 3 and the sum of their squares is 12, then their product is equal to? 3/1 3/4 3/2 3/5 15 / 50 15) A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be? 2,4 2,3 2,5 2,6 16 / 50 16) (325+326+327+328)“>(325+326+327+328)(325+326+327+328) is divisible by? 15 20 25 30 17 / 50 17) Two number when divided by 17, leaves remainder 13 and 11 respectively. If the sum of those two numbers is divided by 17, the remainder will be ? 7 8 9 11 18 / 50 18) The greatest four digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28? 9828 8838 5838 8928 19 / 50 19) On dividing a number by 5, we get 3 as remainder. What will the remainder when the square of the this number is divided by 5 ? 1 3 2 4 20 / 50 20) 476 ** 0 is divisible by both 3 and 11. The non-zero digits in the hundred’s and ten’s places are respectively? 7 and 5 6 and 5 8 and 5 9 and 5 21 / 50 21) The product of two numbers is 0.008. One of the number is 15“>1/5 of the other. The smaller number is? 0.04 0.6 0.4 0.5 22 / 50 22) If 45“>4/5 of an estate be worth Rs. 16800, then the value of 37“>3/7 of it is? Rs. 9000 Rs. 10000 Rs. 11000 Rs. 12000 23 / 50 23) Which one of the following is a prime number ? 370 373 346 367 24 / 50 24) Find the largest number, which exactly divides every number of the form (n3 – n) (n – 2) where n is a natural number greater than 2? 6 12 18 24 25 / 50 25) A number exceeds its two fifth by 75. The number is? 115 120 125 130 26 / 50 26) The sum of all three digit numbers, each of which on divide by 5 leaves remainder 3, is? 99095 99097 99090 10000 27 / 50 27) Sum of three consecutive even integers is 54. Find the least integer among them? 12 14 16 18 28 / 50 28) If sum of the two number is 80 and ratio is 3 : 5, then find numbers? 20,35 30,50 40,50 10,5 29 / 50 29) 15“>1/5 of a number exceeds 17“>1/7 of the same number by 10. The number is? 160 165 170 175 30 / 50 30) The unit digit in the product 771 × 663 × 365 = ? 3 4 5 6 31 / 50 31) A number is doubled and 9 is added, If the resultant is tripled, it becomes 75. What is the number ? 6 7 8 9 32 / 50 32) Which one of the following numbers is not a square of any natural number ? 63591 63592 63593 63594 33 / 50 33) The digit in unit’s place of the product (2153)167 is? 7 8 9 5 34 / 50 34) The product of two numbers is 120 and the sum of their squares is 289. The sum of the two number is? 20 24 23 21 35 / 50 35) Which of the following number is divisible by 24 ? 3125736 537804 35718 63810 36 / 50 36) What is the unit digit in the product (365 × 659 × 771)? 2 4 6 5 37 / 50 37) Given that, three numbers are such that the second number is twice the first and thrice the third. Also the average of the three numbers is 44. then the difference of the first and the third is? 12 11 14 13 38 / 50 38) The difference of the squares of two consecutive even integers is divisible by which of the following integers ? 4 6 5 8 39 / 50 39) Five times of a positive integer is 3 less than twice the square of that number. The number is? 3 4 5 6 40 / 50 40) 72519 × 9999 = ? 674217481 685126481 69621748 725117481 41 / 50 41) On dividing a number by 357, we get 39 as remainder. On dividing the same number 17, what will be the remainder ? 10 6 5 3 42 / 50 42) How many number between 1000 and 5000 are exactly divisible by 225 ? 16 18 20 22 43 / 50 43) The largest among the numbers ? (0.1)2 (0.1)2 0.12 0.453 3426 44 / 50 44) A man spends 13“>1/3of his income on food, 25“>2/5 of his income on house rent, 15“>1/5 of his income on clothes. If he still has Rs. 400 left with him, his income is? Rs. 2000 Rs. 6000 Rs. 5000 Rs. 4000 45 / 50 45) If 17200 is divided by 18, the remainder is? 6 4 1 2 46 / 50 46) Which of the following number is not divided by 18 ? 65038 65040 65042 65043 47 / 50 47) If (64)2 – (36)2 = 20 × x, then x = ? 140 130 150 120 48 / 50 48) Which of the following fraction is the smallest ? 76,79,45,57“>7/6,7/9,4/5,5/7 4/5 5/7 6/9 11/7 49 / 50 49) 23“>2/3 of three-fourth of a number is? 1/5 of the number 5/3 of the number 1/2 of the number 5/4 of the number 50 / 50 50) A number of boys raised Rs. 400 for a famine relief fund, each boy giving as many 25 paise coins as there were boys. The number of boys was? 40 42 43 45 Your score isThe average score is 0%Share this Quiz with your friends! LinkedIn Facebook Follow Us @ 0% Restart quiz Exit