Least perfect square number, exactly divisible by 21, 36 and 56 is_________?

Related Mcqs:

1. What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?

   A. 196
   B. 630
   C. 1260
   D. 2520

2. The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

   A. 3
   B. 13
   C. 23
   D. 33

3. Find the least number of five digits which is exactly divisible by 12, 15 and 18?

   A. 1080
   B. 10080
   C. 10025
   D. 11080

4. Find the least square number which is divisible by 10, 12, 15 and 18?

   A. 1600
   B. 900
   C. 3600
   D. 2500

5. The least number of four digits which is divisible by 15, 25, 40 and 75 is_________?

   A. 9000
   B. 9400
   C. 9600
   D. 9800

6. The least number of four digits which is divisible by 4, 6, 8 and 10 is_________?

   A. 1080
   B. 1085
   C. 1075
   D. 1095

7. Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

   A. 9985
   B. 9960
   C. 9957
   D. 9975

8. The smallest number when increased by ” 1 ” is exactly divisible by 12, 18, 24, 32 and 40 is__________?

   A. 1439
   B. 1440
   C. 1459
   D. 1449

9. A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?

   A. 430
   B. 440
   C. 450
   D. 460

10. The diagonal of a square is 4√2cm. The diagonal is another square whose area is double that of the first square is__________?

    A. 8cm
    B. 8√2cm
    C. 16cm
    D. 4√2cm