Question

Q 29. Find the product by suitable rearrangement:
(a) 25 × 8358 × 4
(b) 625 × 3759 × 8
(c) 125 x 4685 x 4

Q 30. Nandini’s house is 9/10 km from her school. She walked some distance and then took a bus for 1/2 km to reach the school. How far did she walk?

Q 31. Name the type of following triangles :

(a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm.
(b) Triangle ABC with AB = 8.7 cm, AC = 7 cm and
BC = 6 cm.
(c) Triangle PQR such that PQ = QR = PR = 5 cm.

Q 32. Using the number line write the integer which is :
(a) 3 more than 5 (b) 5 more than –5
(c) 6 less than 2

Q 33. The number of sheets of paper available for making notebooks is 75,000. Each sheet makes 8 pages of a notebook. Each notebook contains 200 pages. How many notebooks can be made from the paper available?

Q 34. It was estimated that because of people switching to Metro trains, about 23000 tonnes of CNG in 2007, 25000 tonnes of CNG in 2008 and 21000 tonnes of CNG was saved by the end of year 2009. Find the fraction of the quantity of CNG saved in 2007 to the quantity of total CNG saved.​

Answer 1

Answer:

Q29. a 25×8358×4

100×8358

835800