NMTC (INMO Level-1) 2014-15

NATIONAL MATHEMATICS TALENT CONTEST

ANSWER KEY

JUNIOR LEVEL (Question Paper Code J Bhaskara Contest) Std. IX-X

SUB-JUNIOR LEVEL (Question Paper Code S KAPREKAR Contest) Std. VII-VIII

QN Ans QN Ans QN Ans QN Ans QN Ans QN Ans

1 c 6 b 11 c 16 142857 21 30 degree 26 1

2 d 7 d 12 b 17 Zero 22 m=12, m=6 27 726

3 b 8 b 13 c 18 20808 23 3 28 2 \ 3

4 a 9 c 14 c 19 715 24 d-b = 10 1̂5 - 3 5̂ 29 4

5 d 10 d 15 b 20 N=2 25 31:74 30 400

QN Ans QN Ans QN Ans QN Ans QN Ans QN Ans

1 b 6 d 11 c 16 288 21 15 26 640

2 b 7 d 12 d 17 Z = 20 22 11 27 x = 1

3 b 8 a 13 c 18 5 23 4 28 30-Jan

4 d 9 b 14 d 19 45 24 Y 29 (2,3,5) or (-2,-3,-5)

5 b 10 d 15 a 20 1007 25 6 30 91, 72

NMTC (INMO Level-1) 2014-15

NATIONAL MATHEMATICS TALENT CONTEST

SOLUTIONS

JUNIOR LEVEL (Question Paper Code J Bhaskara Contest) Std. IX-X

.

NMTC (INMO Level-1) 2014-15

NATIONAL MATHEMATICS TALENT CONTEST

SOLUTIONS

SUB-JUNIOR LEVEL (Question Paper Code S KAPREKAR Contest) Std. VII-VIII

.