Q.1. Classify the angles as acute, obtuse or right.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
Q.2. Choose the correct answer from the brackets:
(a) One crore = ____ lakhs.
(Thousand, Hundred, Ten)
(b) If 1 kg of sardines cost 40 rupees, the cost of half kg is ____
(30, 20, 10)
(c) If the speed of the boat is 25 km/hour, then the boat goes ____km in 3 hours.
(25, 50, 75)
(d) The numeral for one crore is expressed as ____
(10000000, 1000000, 100000)
(e) The number of zeros in one lakh is ____
(5, 6, 7)
(f) When fresh fish is dried it becomes 1/3 of its weight. We dry 6 kg fresh fish to get ____ kg dried fish.
(1kg, 2kg, 3kg)
(g) If a log boat travels at a speed of 4 km in one hour, it will take ____ hours to go a distance of 10 km.
(2 hours 30 minutes, 3 hours, 2 hours 15 minutes)
(h) The speed of a motor boat is 20 km/hour. The distance covered in three and a half hours is____
(60 km, 70km, 75 km)
(i) One –fourth of 100 rupees is____
(25, 50, 75)
(j) A number divided by zero is equal to____
(0, 1, 2)
Q.3. 1 kilogram (kg) = 1,000 grams (gm)
Convert to the units shown.
(a) 0.06 kg = ____g
(b) 8.3 kg = ____g
(c) 0.49 kg = ____g
(d) 0.2 kg = ____(g)
(e) 23 g = ____ (kg)
(f) 7.4 g = ____ (kg)
(g) 0.07 kg = ____ (g)
(h) 5.5 kg = ____(g)
(i) 80 kg = ____(g)
(j) 4.6 g = ____ (kg)
(k) 9.3 g = ____ (kg)
(l) 71 g = ____ (kg)
(m) 0.1 g = ____ (kg)
(n) 80 kg = ____ (g)
(o) 7.4 kg = ____ (g)
(p) 0.08 kg = ____ (g)
(q) 2 kg = ____ (g)
(r) 7.8 g = ____ (kg)
(s) 0.38 kg = ____ (g)
(t) 0.53 g = ____ (kg)