[DAY 07]DAILY MATH PRACTICE||FOR ALL COMPETITIVE EXAM||DEB STUDY

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Math Question 01
(S.S.C. 2008)

How many 3 digits numbers are exactly divisible by 6 ?

(A) 140
(B) 150
(C) 160
(D) 170




Math Question 02
(S.S.C. 2007)

The numbers 2272 and 875 are divided by a 3 digit number N, giving the same remainder. The sum of the digits of N is

(A) 10
(B) 11
(C) 12
(D) 13



Math Question 03
(S.S.C. 2006)

When a certain number is multiplied by 7, the product consists entirely of threes. The smallest such number is 

(A) 47649
(B) 47719
(C) 47619
(D) 48619



Math Question 04
(M.B.A. 2003)

The difference between the squares of two consecutive odd integers is always divisible by 

(A) 3
(B) 6
(C) 7
(D) 8



Math Question 05
(M.B.A. 2006)

On adding 984 to a 3-digit number 4a3, we get a 4-digit number 13b7, which is completely divisible by 11. What is the value of (a+b) ?

(A) 10
(B) 11
(C) 12
(D) 15



Math Question 06
(M.B.A. 2003)

Four prime numbers are taken in ascending order. The product of first three of these numbers is 385 and that of the last three numbers is 1001. The first of these prime numbers is

(A) 5
(B) 7
(C) 11
(D) 17



Math Question 07
(S.S.C. 2003)

Which of the following numbers can not be the square of any natural number ?

(A) 27225
(B) 26896
(C) 29241
(D) 138392



Math Question 08
(RAILWAYS 2006)

IF a and b are real numbers such that ab = 0, then

(A) a = 0 and b = 0
(B) a = 0 or b = O
(C) a = 0 and b is not equal to 0
(D) b = 0 and a is not equal to 0



Math Question 09
(S.S.C. 2005)

After adding 7 to a number, the sum is multiplied by 5 and the product so obtained is divided by 9. From the quotient so obtained 3 is subtracted to get 12. The number is 

(A) 20
(B) 30
(C) 40
(D) 60



Math Question 10
(S.S.C. 2005)

On dividing a number by 13, we get 1 as remainder. If the quotient is divided by 5, we get 3 as remainder. If this number is divided by 65, what will be the remainder?


(A) 16
(B) 18
(C) 28
(D) 40


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