Loading DocumentD.N. Public School
Unit test - May
Class -8th Subject - Maths M.M=20
Q.1 Multiple choice Questions : (3)
(i) The standard form of −70 28is
(a) −70 28 (b) −52 (c)−104 (d) −52
(ii) What should be added to (63+21−42)to get 1 ?
(a) 21 (b)31 (c)121 (d) 81
(iii) The value (52)−4is
(a) 62516 (b) −16625 (c) 16625 (d)−62516
(Q.2 Express −32 as rational number with denominator : (2)
(i) -15 (ii) 18
Q.3 Find the value of (32−22)÷(51)2 (2)
Q.4 Subtract the sum of −103and 85from the sum Of 154 and −52. (3)
Q.5 The product of two rational numbers is 85 . If one of them is −203 ,find the other . (3)
Q.6 Express each of the following rational numbers in power notation:− (3)
(i) −1251 (ii) 0.49
Q.7 Simplify the following: (4)
(i) (4)−3÷(2−1)3
(ii)(73)2×725×(−57)2