美国小学三年级数学考试卷

美国小学三年级数学考试卷

2010-11-04 13:33:36| 分类：默认分类|字号大中小订阅

Sub: Mathematics

Max.Marks-20

____________________________________________________________ _______

Section A [Mental Maths]

Fill in the blanks:-

(5x 1=5)

1.The Roman numeral for 36 is ____________ .

2.The Indo-Arabic numeral for XXV is __________.

3.3456 – 3456 = _____________ .

4.1000 -1 = ________________ .

5.100 = ___________ in Roman numerals.

Section B

I. Solve the following.

(2x2=4)

1.Find the difference between

5408 and 2086

Ans:- 2. Subtract 472 from 2008. Ans:-

II. Write a number which is 1364 less than 9528.

(2 ?)

Ans:-

III. Find the difference of 672 and 251 , and check if the answer is ( 3 )

correct by showing inverse operation.

II. Statement problems

1. Subtract the smallest 4digit number from the greatest 4 digit number. ( 2 )

Ans:-

2. The population of a town is 5784. There are 2306 men and

(3?)

1583 women in the town. How many children lived in that town?

Ans:-

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2010年11月01日

美国小学三年级数学考试卷美国12年级数学考试卷

2010-11-04 13:32:10| 分类：默认分类|字号大中小订阅

What is the difference between empty relation and universal relation

1If A is an invertible matrix of order two, then what is the value of det(A-1)

1Find the domain of the functions in –1 (2x + 1)

_______

3

1For a system of Equations, if IAI = 0, where A is a square matrix. How will you examine the consistency of the system of equations

1If a matrix has 8 elements, what are the possible orders it can have?

1State chain rule

1List the relation in the set N given by R= {(a,b) : a=b-2, b>6}

1Find the value of tan-1 square root of 3 sec-1(-2)

1If f(x) = x , then what is f(0)

1If f: R --- R is defined by f(x) = x . Find f (f(2)).

______

x2 + 1

1Let f,g be the functions f = {(1,5), (2,6), (3,4)}, g= {(4,7), (5,8), (6,9)}. What is the range of fand g.

1when do we say that a function is invertible . let f:x -- y be an invertible function show that f has unique inverse.

1i. Find dy/dx, if y x+ x y+ x x = a b

ii. State and Verify Rolle’s theorem for the function f(x) = x2+ x –6 in the interval [3-2]

1The sum of three numbers is 6. If we multiply third number with by 3 and add the second number to it we get 11. By adding first and third numbers, we get double of the second number. Represent it algebraically and find the numbers using matrix method.

1Find the principal values of

i. cos-1 (-square root of 3)

------------------------

2

ii. cos–1(-1)