17. For making 12 shirts of the same size, if 12m 60cm of cloth is needed. Then how much cloth will be required for
each shirt?
10. What is the difference between the highest prime number and least prime number between 1 to 50.
19. Write 2 + ( 8 x 0.1 ) +(6x0.01) + (4 x 0.001 ) in standard form.
20. Divide and check your answer by division algorithm.
a) 7249381 44 b) 573942 = 729
21. One truck can carry 950 bags of yeast. How many trucks are needed to carry 85500 bags of yeast?
22. Two persons contested an election for the post of the Mayor. The winning candidate got 6,23,941 votes and
defeated his nearest rival by 18,345 votes. How many votes were polled in the favor of the losing candidate.
23. Write the number that is :
a) 99,99,999 less than 1,00,00,000 b) 10,00,000 less than 94,42,76,300
24. Find the product by breaking the multiplicand into addends:
a) 1324 x 95
b) 9641 x 107
25. Write all the properties of whole numbers.
26Solve by using distributive property:
a) 75 x 124 - 75x76 b) 98 x 102
Answers
Answer:
Step-by-step explanation:
1. We need to convert m to cm. So 1 m = 100 cm
12 m = 1200 cm
1200 + 60 = 1260 cm
So 12 shirts require 1260 cm of cloth
1 shirt requires 1260 / 12 = 105 cm of cloth.
2. Least prime number is 2 and highest prime number is 47 between 1 to 50. So difference will be 47 – 2 = 45
3. Standard form will be 2 + 0.8 + 0.06 + 0.004 = 2.864
4. 950 bags of yeast will be carried by 1 truck.
So 85,500 bags of yeast will be carried by 85,550 / 950 = 9 trucks.
5. Winning candidate got 6,23,941 votes, he defeats his nearest rival by 18,345 votes. So the losing candidate has 6,23,941 – 18,345 = 6,05,596 votes.
6. The number is 10000000 – 9999999 = 1 and 94,42,76,300 – 1000000 = 94,32,76,300.
7. 1. 1324 x 95 can be written as
1324 x (100 – 5)
1324 x 100 – 1324 x 5
132400 – 6620
= 1317780
2. 9641 x 107
9641 x (100 + 7)
9641 x 100 + 9641 x 7
964100 + 67487
= 1031587