নিচের মাত্রার ক্রম লিখ: (i) 8 (ii) 49 (iii) 52 (iv) 999 (v)

Write the order of magnitude of the following : (i) 8 (ii) 49 (iii)52 (iv) 999 (v) 1001 (vi) 753000 (vii) 0.05 (viii) 0.99

Find : ( i ) (ii) (ii) (iii) (iii) (iv)

Write the following in Roman numerals: (i) 49 (ii) 69 (iii) 72 (iv) 89 (v) 98 (vi) 92

Which of the following cubes of even numbers? (i) 216 (ii) 729 (iii) 512 (iv) 3375 (v) 1000

Find the squares of the following numbers using the identity (a-b)^2=a^2-2a b+b^2: (I)395 (ii) 995 (iii) 495 (iv) 498 (v)99 (vi) 999 (vii) 599

Test the divisibtlity of the following numbers by 8 : (i) 9364 (ii) 2138 (iii) 36792 (iv) 901674 (v) 136976 (vi) 1790184

Round off the following number to 3 significant digits- (i) 899.68 (ii) 987.52 (iii) 2.0082 (iv) 336.5 (v) 335.5

find the square root.(i) 625 (ii) 1225 (iii) 289 (iv) 4096 (v) 1089

Mark the following integers on a numbe line : (i) -5 " " (ii) -2 " " (iii) 0 (iv) 7 " " (v) -13

Write the predecessor of each one of the following : (i) 120 " " (ii) 79 " " (iii) -8 (iv) -141 " " (v) -300