Q:

A) 4 | B) 7 |

C) 3 | D) none |

Answer: D) none

Explanation:

Explanation:

The 2nd, 4th, 7th digits are 3, 1, 6 respectively.

The perfect square of a two-digit odd number, formed using these digits, is 361

and 361 = 19^2

2
628

Q:

A) (9,3,6), (2,5,7) and (1,4,8) | B) (8,3,6), (2,4,7) and (1,5,9) |

C) (9,3,7), (2,4,6) and (1,5,8) | D) (9,3,6), (2,4,7) and (1,5,8) |

5
19741

Q:

A) (1,9,6), (2,5,7) and (3,4,8) | B) (1,9,6), (2,4,7) and (3,5,8) |

C) (1,5,6), (3,4,7) and (2,9,8) | D) (1,9,6), (2,4,8) and (3,5,7) |

1
1364

4
654

7
594

4
2220

8
1218

8
1125