Of the following four numbers, the largest is: `(a)3^210 (b) 7^(140) (c)(17)^105 (d)(31)^84`

Which of the following fractions is the largest? (a) (7)/(8) (b) (13)/(16) (c) (31)/(40) (d) (63)/(80)

Which of the following numbers are twin primes? (a) 3, 5 (b) 5, 11 (c) 3, 11 (d) 13, 17

Which among the following pairs of numbers are twin primes? (a). (9, 11) (b). (13,17), (c). (29,31), (d). (59,61).

Express the following as mixed fractions : (a) (17)/4 (b) (11)/3 (c) (27)/5 (d) 7/3

Which of the following numbers are twin primes? 3,5 (b) 5,11 (c) 3,11 (d) 13,17

Express the following as mixed fractions : (a) (17)/(4) (b) (11)/(3)(c)(27)/(5) (d) (7)/(3)

Which of the following fractions is the largest? (3)/(2),(7)/(3),(5)/(4),(7)/(2)(7)/(3)( b ) (5)/(4)(c)(7)/(2)(d)(3)/(2)

The angles of a triangle are in the ratio 2:3: 7. The measure of the largest angle is (a) 84^0 (b) 91^0 105^0 (d) 98^0

Which of the following are not twin-primes? (a) 3, 5 (b) 5, 7 (c) 11, 13 (d) 17, 23