Number System – Set 7

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Number System – Set 7

Dear ! This is Number System – Set 7 Quiz and it contains 50 questions.

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1) How many number between 1000 and 5000 are exactly divisible by 225 ?

2 / 50

2) What is the unit digit in the product (365 × 659 × 771)?

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3) The digit in unit’s place of the product (2153)167 is?

4 / 50

4) A number exceeds its two fifth by 75. The number is?

5 / 50

5) On multiplying a number by 7 all the digit in the product appear as 3’s , the smallest such numbers is?

6 / 50

6) Which of the following number is not divided by 18 ?

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7) The product of two numbers is 120 and the sum of their squares is 289. The sum of the two number is?

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8) 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?

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9) The sum of all natural numbers from 75 to 97 is?

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10) 397 × 397 + 104 × 104 + 2 × 397 × 104 = ?

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11) Sum of three consecutive even integers is 54. Find the least integer among them?

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12) Which one of the following is a prime number ?

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13) The greatest whole number, by which the expression n4 + 6n3 + 11n2 + 6n + 24 is divisible for every natural number n , is?

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14) 23“>2/3 of three-fourth of a number is?

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15) 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 ?

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16) By which number should 0.022 be multiplied so that product become 66 ?

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17) On dividing a number by 357, we get 39 as remainder. On dividing the same number 17, what will be the remainder ?

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18) The number 1, 3, 5, 7. . . . . 99 and 128 are multiplied together. The number of zeros at the end of the product must be?

19 / 50

19) The largest among the numbers ?

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20) The sum of all three digit numbers, each of which on divide by 5 leaves remainder 3, is?

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21) If sum of the two number is 80 and ratio is 3 : 5, then find numbers?

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22) The sum of even numbers between 1 and 31 is?

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23) 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 ?

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24) If (64)2 – (36)2 = 20 × x, then x = ?

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25) A number is doubled and 9 is added, If the resultant is tripled, it becomes 75. What is the number ?

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26) If 45“>4/5 of an estate be worth Rs. 16800, then the value of 37“>3/7 of it is?

27 / 50

27) Which one of the following is a factor of the sum of first twenty-five natural numbers ?

28 / 50

28) 476 ** 0 is divisible by both 3 and 11. The non-zero digits in the hundred’s and ten’s places are respectively?

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29) Which one of the following numbers is not a square of any natural number ?

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30) 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?

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31) (325+326+327+328)“>(325+326+327+328)(325+326+327+328)

is divisible by?

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32) Five times of a positive integer is 3 less than twice the square of that number. The number is?

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33) The greatest four digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28?

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34) The smallest number, which should be added to 756896, so as to obtain a multiple of 11, is?

35 / 50

35)

15“>1/5 of a number exceeds 17“>1/7 of the same number by 10. The number is?

36 / 50

36) Which of the following fraction is the smallest ?

76,79,45,57“>7/6,7/9,4/5,5/7

37 / 50

37) What least value must be assigned to ‘*’ so that the number 63576 * 2 is divisible by 8 ?

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38) 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?

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39) 72519 × 9999 = ?

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40) The difference of the squares of two consecutive even integers is divisible by which of the following integers ?

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41) When ‘n’ is divisible by 5 the remainder is 2. What is the remainder when n2 is divided by 5 ?

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42) If 17200 is divided by 18, the remainder is?

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43) The unit digit in the product 771 × 663 × 365 = ?

44 / 50

44) The product of two numbers is 0.008. One of the number is 15“>1/5 of the other. The smaller number is?

45 / 50

45) 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?

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46) 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?

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47) 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 ?

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48) 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?

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49) If the sum of two numbers is 3 and the sum of their squares is 12, then their product is equal to?

50 / 50

50) Which of the following number is divisible by 24 ?

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