Number System – Set 4

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Number System – Set 4

Dear ! This is Number System – Set 4 Quiz and it contains 50 questions.

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1) If m and n are positive integers, then the digit in the unit’s place of 5n + 6m is always :

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2) If m and n are positive integers and (m – n) is an even number, then (m2 – n2 ) will always be divisible by :

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3) The sum of the digits of a 3-digit number is subtracted from the number. The resulting number is always :

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4) If 37 X 3 is a four-digit natural number divisible by 7, then the place marked as X must have the value :

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5) ? × (|a|×|b|)=− ab“>(|a|×|b|)=− ab

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6) A number is successively divided by 8, 7 and 3 giving residues 3, 4 and 2 respectively and quotient 31. The number is :

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7) The number π is :

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8) The number of zeros at the end of 60! is :

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9) What should be the maximum value of q in the following equation? 5P9 – 7Q2 + 9R6 = 823

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10) A, B, C and D purchase a gift worth Rs. 60. A pays 12“>1/2 of what others are paying. B pays 13“>1/3  of what others are paying and C pays 14“>1/4 of what others are paying. What is the amount paid by D ?

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11) Two positive whole numbers are such that the sum of the first and twice the second number is 8 and their difference is 2. The numbers are :

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12) What is the minimum number of four digits formed by using the digits 2, 4, 0, 7 ?

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13) The solution to the inequality 12x – 66 ⩽“>⩽⩽ 6 is :

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14) If you subtract – 1 from + 1, what will be the result ?

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15) 5566 – 7788 + 9988 = ? + 4444

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16) The smallest number of 5 digits beginning with 3 and ending with 5 will be :

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17) The number of zeros at the end of the product 5 × 10 × 15 × 20 × 25 × 30 × 35 × 40 × 45 × 50 is :

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18) A number when divided by 136, leaves remainder 36. If the same number is divided by 17, the remainder will be –

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19) The least number which must be added to the greatest number of 4 digits in order that the sum may be exactly divisible by 307 is :

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20) In a division problem, the divisor is 7 times of quotient and 5 times of remainder. If the dividend is 6 times of remainder, then the quotient is equal to :

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21) Which of the following is a prime number ?

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22) The smallest prime number, that is the fifth term of an increasing arithmetic sequence in which all the four preceding terms are also prime, is –

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23) 2 – 2 + 2 – 2 + ….. 101 terms = ?

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24) Symbiosis runs a Corporate Training Programme. At the end of running the first programme, its total takings were Rs. 38950. There were more than 45 but less than 100 participants. What was the participant fee for the programme ?

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25) 8888 + 848 + 88 – ? = 7337 + 737

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26) Which of the following numbers are completely divisible by 7 ? I. 195195 II. 181181 III. 120120 IV. 891891

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27) What number multiplied by 48 will give the same product as 173 multiplied by 240 ?

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28) If x, y, z and w be the digits of a number beginning from the left, the number is :

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29) The number formed from the last two digits (ones and tens) of the expression 212n – 64n , where n is any positive integer is :

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30) If x – y = 8, then which of the following must be true ? I. Both x and y are positive. II. If x is positive, y must be positive. III. If x is negative, y must be negative.

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31) When 2256 is divided by 17, the remainder would be :

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32) If 34“>3/4 of a number is 7 more than 16“>1/6of the number then 53“>5/3 of the number is :

 

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33) A number is divisible by 11 if the difference between the sums of the digit in odd even places respectively is :

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34) If a (0.4)2 , b = 0.04 and c = 25“>2/5, then the correct relationship among the three is :

 

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35) 325325 is a six-digit number. It is divisible by :

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36) In doing a question of division with zero remainder. a candidate took 12 divisor instead of 21. The quotient obtained by him was 35. The correct quotient is :

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37) The digit in the unit place of the number represented by (795 – 358) is :

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38) The least number more than 5000 which is divisible by 73 is –

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39) A number is multiplied by 11 and 11 is added to the product. If the resulting number is divisible by 13, the smallest original number is = ?

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40) What should come in place of * mark in the following equation ? 1 * 5 $ 4 ÷ 148 = 78

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41) 6 × 3 (3 – 1) is equal to :

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42) What decimal of a week is an hour ?

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43) All natural numbers and 0 are called the ….. numbers.

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44) If a + b + c = 6 and ab + bc + ca = 10, then value of a3 + b3 + c3 – 3abc is :

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45) What is 348 times 265 ?

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46) If a and b are two numbers such that ab = 0, then –

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47) On multiplying a number by 7, all the digits in the product appear as 3’s. The smallest such number is :

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48) For an integer n, n! = n(n – 1) (n – 2) ….. 3.2.1 Then, 1! + 2! + 3! +…..+ 100!, when divided by 5 leaves remainder

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49) The number of prime numbers between 0 and 50 is :

 

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50) The number 534677 is divisible by 777. The difference of divisor and remainder is :

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