52. The difference between the place value of 3 in 23209 and 37988 is:
(A) 2700
(B) 27000
(C) 2600
(D) 26000
Answer:
(B) 27000
Explanation:
The place value of 3 in 37,988 is 30,000. The place value of 3 in 23,209 is 3,000. The difference is 27000
53. (37/7) x (56/5) is equal to
(A) 296/5
(B) 269/5
(C) 296/7
(D) None of these
Answer:
(A) 296/5
Explanation:
To multiply these fractions, first simplify by dividing 56 by 7, which equals 8. Then multiply the remaining numerators:
54. If cost of 8 books is 672 then the cost of 9 books is:
(A) 756
(B) 765
(C) 760
(D) None of these
Answer:
(A) 756
Explanation:
First, find the cost of a single book by dividing the total cost by 8: = cost of one book Then, multiply the cost of one book by 9:
55. The sum of 0.1+ 0.01 + 0.001 is:
(A) 0.3
(B) 0.12
(C) 0.111
(D) 0.003
Answer:
(C) 0.111
Explanation:
By aligning the decimal points and adding the place values (tenths, hundredths, thousandths), the sum of 0.100 + 0.010 + 0.001 is mathematically 0.111.
