Objective Questions on Numbers

Objective Questions on Numbers

1-Find the least number which when divided by 24, 32 and 36 leaves the remainders 19, 27 and 31 respectively.

(A) 280

(B) 283

(C) 290

(D) 310

 

2-The students of a class donated Rs. 4624 for Chief Minster’s State Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.

(A) 62

(B) 64

(C) 66

(D) 68

 

3-In a two digit number, the digit in the unit place is twice of the digit in the tenth place. If the digits are reversed, the new number is 27 more than the given number. Find the number. 

(A) 36

(B) 63

(C) 24

(D) 42

 

4-The average of 5 numbers is 180. If one of the numbers is removed then the average becomes 155. Find the removed number.

(A) 230

(B) 280

(C) 310

(D) 350

 

5-Find the greatest number of four digits exactly divisible by 15, 21 and 27.

(A) 8505

(B) 9450

(C) 9845

(D) 9999

 

6-A troop has provisions for 276 soldiers for 20 days. How many soldiers leave the troop so that the provisions may last for 46 days.

(A) 135

(B) 144

(C) 156

(D) 162

 

7-The smallest perfect square divisible by each of 6, 12 and 18 is

(A) 36

(B) 64

(C) 100

(D) 144

 

8-Find the least number which when divided by 6, 7, 8, 9 and 12 leaves the same remainder 1 in each case.

(A) 375

(B) 490

(C) 505

(D) 550

 

9-If 60% of 3/5th of a number is 36, then find the Number.

(A) 75

(B) 80

(C) 95

(D) 100

 

10-Find the greatest number, which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively?

(A) 13

(B) 16

(C) 127

(D) 381

 

ANSWERS:

1-(B), 2-(D), 3-(A), 4-(B), 5-(B), 6-(C), 7-(A), 8-(C), 9-(D), 10-(C)