n पदों तक जोड़िए : `1.4.7.+2.5.8+3.6.9+...`

Find the nth terms and the sum to n term of the series : 1.4.7+2.5.8+3.6.9 + ...

By using the Principle of Mathematical Induction, prove the following for all n in N : 1.4.7+2.5.8+3.6.9+.......+ n(n + 3)(n+ 6)= n/4 (n +1)(n+ 6)(n+ 7) .

Prove 1.4.7+2.5.8+3.6.9+....... upto n terms =(n)/(4)(n+1)(n+6)(n+7)

Prove 1.4.7+2.5.8+3.6.9+....... upto n terms =(n)/(4)(n+1)(n+6)(n+7)

Prove 1.4.7+2.5.8+3.6.9+....... upto n terms =(n)/(4)(n+1)(n+6)(n+7)

Prove 1.4.7+2.5.8+3.6.9+....... upto n terms =(n)/(4)(n+1)(n+6)(n+7)

Find 1.4.7 + 3.6.9 + 5.8.11 + 7.10.13 …. Upto 'n' term.

Study the following arrangement carefully and answer the questions given below: 1 8 5 9 4 7 1 2 5 8 3 6 5 9 2 7 6 4 5 2 9 2 6 4 1 2 3 5 1 4 2 8 3 Which of the following is fifth to the right of the twelfth digit from the right end of the above arrangement? 1) 3 2) 1 3) 2 4) 7 5) None of these

Study the following arrangement carefully and answer the questions given below: 7 6 1 7 9 2 4 1 5 6 4 9 2 3 4 1 2 5 8 5 8 4 8 3 1 2 7 5 2 6 7 2 9 5 3 Which of the following is third to the left of the eighteenth digit from the left end of the above arrangement? 1) 8 2 ) 3 3)4 4)5 5)1