7/12/10

MATHEMATICS PAPER VII

JAWAHAR NAVODAYA VIDYALAYA HOTHPETH GULBARGA
UNIT TEST FIRST (July 2010)
Mathematics VII Max marks:40
___________________________________________________________
QUESTIONS OF ONE MARK EACH
1) On a number line to search (+4) we should move towards……side
(a) Left. (b) Right. (c) Down. (d) Both (a) and (b).
2) For every a, b €N a+b=b+a is called………….
(a) Closer property. (b) Commutative property. (c) Associative property (d) Identity element

3) For every a, b, c € I ax(b+c)= a x b+a xc is Known as ……….
(a) Distributive property. (b) Associativity (c) Additive inverse.(d)None.

4) The property which is a+0 =0+a is called…….
(a) Identity element for multiplication. (b)Additive inverse
(c) Identity element for addition.(d)None of these

5) The fraction 25 is called …………
(a) Proper fraction. (b) Improper Fraction.(c) Mixed fraction.(d)None.
6. The reciprocal of is ………..
(a). , (b) 1 , (c). , (d). None of them
7) Identify the place value of two 5”s in 1752.752
a) Thousand and tenth, b) Units and tenth,
c) Hundred and hundredth, d) Tenth and hundredths
8) Find the value of 7÷ 3.5 will be …….
a)200 , b)50 c) 0.50, d)20.

QUESTIONS OF TWO MARKS EACH

9) Write one pair of a negative integer and a positive integer whose sum
Gives -5.
10) Find the perimeter of an equilateral triangle whose side is 5 cm.


11. Find the product of a)) (-1) X (-2) X (-3) X (-4). b) (-1) X (-3) X (-5).

12) Simplify: 0.5 ÷ 0.25

QUESTIONS OF THREE MARKS EACH

13) .Write a pair (a, b) such that a÷b= -3.

14) Verify: (-30)x[13+(-3)] =[-30x13]+[-30x -3] and also Name this
property
15) A car runs16kmusing 1litre of petrol. How much distance will it cover
using 2 liter of petrol?
16)Michael finished coloring picture in hours. Vaibhav finished coloring
the same picture in hours. Who worked longer? By what fraction was
it longer?
QUESTIONS OF FOUR MARKS EACH
17)In a class of 40 students of total students like to study English. of the
total number like to study Mathematics and remaining students like to
study science
1) How many students would like to study English?
2) How many students would like to study Mathematics?
3) How many students would like to study science?
18) Write the place value of 2 in the fallowing decimal number?
a) 2.56, b) 21.37, c) 10.25, d) 9.42
19)In a class test five marks are given for every correct answer and (-2)
Marks for every incorrect answer then answer the followings
a) Radhika answered all the questions and scored 30marks though
she got 10 correct answer
b)Jaya also answered all questions and scored (-12) marks though
she got 4 correct answer. How many incorrect answer had they
attempted?
------------------ END --------------
-----------------------------------------------------------------------------------------

No comments:

Post a Comment