`5.2 xx 2.1`

Lowest form of 2/7xx3""1/2xx1""1/5 xx 2""1/2 =________

If (x-1)(x-2)=x^(3)+ax^(2)+bc+5 xx 2 xx 1 then c will be

evaluate 1) 5^2 xx 8^2 2) 2.5^2 xx 4^2 3) (1.5)^2 xx(0.2)^2

Find the HCF of (2^(5) xx 5^(2) xx 11^(1)), (3^(2) xx 5^(3) xx 11^(2)) and (2^(4) xx 3^(6) xx 5^(1) xx 7^4)

Simplify : (-2)^3 xx (5/2)^2 xx(2/5)^(-1)

Find the value of 2.1 + 2.25 div [63-{7.5xx8+ (13-2.5xx5)}] . 2.1 + 2.25 div [63-{7.5xx8+ (13-2.5xx5)}] का मान ज्ञात कीजिए।

Fill in these boxes: (1)/(5) xx (2)/(7) = (1 xx 2)/(5 xx 7) = square

1 (4)/(5) xx 2 (2)/(3) xx 3 (1)/(3) xx (1)/(4) =

Which of the drawings (a) to (d) show : (i) 2 xx 1/5 (ii) 2 xx 1/2 (iii) 3 xx 2/3 (iv) 3 xx 1/4