" (ii) "28" from "-42

Subtract: i 28 from-42 ii -36 from 42 iii -37 from -53 iv -66 from -34 v 318 from 0 vi -153 from -240 vii -64 from 0 viii -56 from 144

Find the HCF and LCM of the following by prime factorisation method : (i) 12 and 15 (ii) 20 and 25 (iii) 28 and 42

Subtract : 38^(@) 42' from 74^(@)17'

How much less is 28.8 km than 42.3 km?

How much less is 28 km than 42.6 km?

How much less is 28 km than 42.6 km?

Express 2/(-7) as a rational number with denominator (i) 42 (ii) -28

Find L.C.M. of (i) 28, 42 " " (ii) 36, 40, 126.

Round off each of the following numbers to nearest hundreds: 28,826 (ii) 4,20,387 43,68,973 (iv) 7,42,898