1.Find the value
of tan10.tan20.tan30…………tan880.tan890.
a)1/2 b)1/√3 c)1
d)√3
2. Find the value
of sin400 – cos500.
a)1 b)1/2 c)1/√2
d)√3/2
3.Find the value
of sin2750 + sin2150.
a)1 b)2 c)1/2 d)√3
4. If 6x+y =1
and 6x-y =6 then find the value of x
a)1/2 b)1/4 c)1/3
d)1/-2
5.Find the value
of:- 999---x 99
a)9899 b)98999
c)99899 d)99998
6.
98213-(329+2958+41367+10651)=?
a)32908 b)42908
c)42708 d)52708
7.1/20+1/30+1/42+1/56+1/72=
a)1/36 b)4/36
c)5/36 d)None of these.
8.If a=1.2, b=2.1
and c= -3.3, then the value of (a3 + b3 +c3 –
3abc) is:
a)2.5 b)1 c)0
d)None of these.
9.Which of the
following numbers is a multiple of 11?
a)978626 b)112114
c)447355 d)869756
10.
1-2+3-4+5-6+…..+51=?
a)25 b)26 c)27 d)
None of these
11.935421 x 625=?
a)575648125 b)584638125
c)585628125 d)584649125
12.106 x106 + 94 x
94 =?
a)21032 b)20032
c)23032 d)20072
13.The ratio
between two numbers is 2:3. If the consequent is 24, the antecedent is:
a)36 b)16 c)48/5
d)72/5
14. A number is
25 more than its 2/5th . The
number is:
a)125/3 b)125/7
c)60 d)80
15.The difference
between two numbers is 5 and the difference between their squares is 65. The
numbers are:
a)15 , 10 b)14, 9
c) 12, 7 d) 9,4
16. 273=?
a)19683 b)18683
c)17683 d)None of these.
17.45879 x 111=?
a)5092569 b)509469
c)609469 d) None of these
18. 994 x 1004=?
a)999976 b)997976
c)987976 d) None of these
19.(1298)2
=?
a)1484804
b)1664804 c)1684804 d) None of these
20.1234 x 9999=?
a)12338766
b)12358766 c)12338763 d) None of these
21. By selling
oranges 32 a rupee, a man loses 40%. How many for a rupee should he sell in
order to gain 20%?
a)15 b)16 c) 17 d)
None of these
22.If A’s salary
is 25% more than that of B, then how much per cent is B’s salary less than that
of A?
a)20% b) 25%
c)2.5% d) None of these
23.If 90% of A=
30% of B and B=X% of A, find the value of X
a)100 b)200 c)300
d)400
24.If the price of
sugar falls down by 10%, by how much percent must a householder increase its
consumption, so as not to decrease expenditure in this item?
a)9% b)10% c)11% d)
None of these
25.The incomes of
A and B are in the ratio 3:2 and their expenditures in the ratio 5:3. If each saves Rs.2000, what is the income of
A and B?
a)Rs.8000/- ,
Rs.12000/- b)Rs.12000/-, Rs.8000/- c)Rs.6000/-, Rs.4000/- d) None of these
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