RS Aggarwal Vikash Aggarwal Class 3 Activity Book Composite Mathematics Activity Sheet 15 Solution

Activity Sheet – 15

(1) Write all possible 3-digit numbers using the digits 3, 6, 9, using each digit only once. Rearrange them in ascending order.

Ans: 369, 396, 639, 693, 936, 963.

(2) Write all possible 4-digit numbers using the digits 7, 5, 4, 0 with 0 as the tens digit. Rearrange them in descending order.

Ans: 7504, 7405, 5707, 5407, 4705, 4507.

(3) Write all possible 4-digit numbers using the digits 1, 3, 5, 8 with 3 as the hundreds digit. Rearrange them in ascending order.

Ans: 1358, 1385, 5318, 5381, 8315m 8351.

(4) Write all possible 4-digit numbers using the digits 1, 2, 3, 4 with 4 as the thousands digit. Rearrange them in descending order.

Ans: 4321, 4312, 4231, 4213, 4132, 4123.

(5) Write all possible 4-digit numbers using the digits 2, 4, 6, 8 with 6 as the ones digit. Rearrange them in ascending order.

Ans: 2486, 2846, 4286, 4826, 8246, 8426.