Decimals — Maths STD 6 — Question

State which of the following statements are true (T) and which are false (F):
If two lines intersect at a point P, then P is called the point of concurrence of the two lines.

Estimate sum to the nearest ten:
(43 + 78)

Write the following decimals in expanded form:
3.85 ______ 3.805

Write a statement for the equation, given below:
2y = 18

Find the value of:
9 - |-6|

Write the place value of digit in the following decimals:
186.209

Write down, if possible, the largest natural number.

Write the following numbers in the international system of numeration:
Seven lakh thirty five thousand eight hundred ninety nine only.

If a = 2 and b = 3, find the value of:
2a – 3b

Perform the following subtractions and check your results by performing corresponding addition:
3030301 - 868686