draw a line segment ab of length 9cm taking a as centre draw a circle with radius 3 cm and taking b as centre of draw a circle with radius 4 cm construct construct to each circle from the centre of the other circle write the step of construction. About the author Emery
Answer: Q.1.A. Choose the correct option and write only option no. (5) 1. The degree of 6 ଷ + 12 ହ − 3 ଶ + 7 is ______ a) 3 b)5 c)2 d)1 2. If ∑fi. xi = 100 and mean is 12.5 then N = _______ a)12.5 b)0.125 c)1125 d)8 3. Out of following which one is the solution of 2a + 4 = 0 a) -1 b) -2 c) -3 d)-4 4. Find the area of parallelogram having base 8 cm and height 5 cm. a) 40 b) 40 cm2 c) 0.4 cm2 d) 0.4 cm 5. In a simple interest calculation, R represents a) period b) principle c) simple interest d) rate of interest Reply
Answer:
Q.1.A. Choose the correct option and write only option no. (5)
1. The degree of 6
ଷ + 12
ହ − 3
ଶ + 7 is ______
a) 3 b)5 c)2 d)1
2. If ∑fi. xi = 100 and mean is 12.5 then N = _______
a)12.5 b)0.125 c)1125 d)8
3. Out of following which one is the solution of 2a + 4 = 0
a) -1 b) -2 c) -3 d)-4
4. Find the area of parallelogram having base 8 cm and height 5 cm.
a) 40 b) 40 cm2
c) 0.4 cm2
d) 0.4 cm
5. In a simple interest calculation, R represents
a) period b) principle c) simple interest d) rate of interest