Comparing numbers

Q.

Sachin Tendulkar has scored 15921 runs in Test matches, 18426 runs in ODIs and 5320 runs in T-20's.
From the above stated statement we can say that he has scored more runs in ___ matches.

1. Test

2. ODI

3. None of these
4. T-20

Q.

Write the greatest and the smallest four-digit numbers using different digits when digit $5$ is at hundreds place.

Q.

To what decimal place should each answer be rounded?

How many significant figures does the rounded answer have?

(a) $101cm-99.1cm=1.9cm$ (unrounded) After rounding, the answer should be reported to the ( ones place / tenths place / hundredths place ) and thus has ($1$ significant figure / $2$ significant figure / $3$ significant figure )

(b) $0.5atm+9.8atm=10.3atm$ (unrounded) After rounding, the number should be reported to the ( ones place / tenths place / hundredths place ) and thus has ($1$ significant figure / $2$ significant figure / $3$ significant figure )

Q.

Fill in the blanks with the appropriate symbol $<$or $>:$

$12562\_\_\_\_13265$

Q. Erica bought 3 1/2 yards of fabric. If she uses 2/3
of the fabric to make a curtain, how much will she have left?

1. 1/6 yd.
2. 1/3 yd.
3. 2 1/3 yd.
4. 1 1/6 yd.

Q. Find the greatest and the smallest five-digit numbers with 8 in hundreds place and with all the digits different.​

Q. Multiply the following number by $10,100$ and $1000$ orally:
$4.7$