Statements: Â Â Â Â Â Some books are notebooks.
                             No notebooks is a pages.
                              Some pages are novels.
    Conclusions: I. No page is a book.
II. Some books are page.
I + E = O, Hence, neither conclusion I nor II will follow. However, Conclusion I and II make a complementary pair, hence, either conclusion I or II will follow.
2/5 of 3/4 of 7/9 of 7200 = ?
What is the value of 143 + 163 + 183 + … + 303?
(512) (2/3) × √64 ÷ (512) (1/3) = (64) (?/2) ÷ (2)6Â
(√121 + √196) × 7 =? × 5
25% of {(5/18) × 2880 + 122 } = ?% of 590
68% of 450 – 1008 ÷ 14 + 516 ÷ 43 =?
(1296 ÷ 54 × 24 + 24) = ? × 150
(-251 × 21 × -12) ÷ ? = 158.13
120 × 195 ÷ 13 - ? = 162
54 ×70 ×33 ×42  =?