(Mathematical Operation)
Reasoning test papers
often contain questions based on mathematical operations like
arithmetic,algebra,geometry etc.Knowledge of general rules of mathematics along
with intellectual ability is required to solve these questions.Generally,the
questions are based on some formulas and mathematical symbols(+,-,*) of algebra.Questions
and mathematical symbols are defined as
BODMAS(B=Bracket,O=Of,D=Division,M=Multiplication,A=Addition,S=Subtraction).Must
solve in order.Questions based on mathematical operations are asked in two
ways.(1)Based on hypothetical mathematical method (2)Based on real mathematical
method.
1.If ‘+’ means ‘*’ ,’*’ means ‘/‘, ’/’
means ‘-‘ and ‘-‘ means ‘+’,then
128+2-4*2+28/6=?
(a)300 (b)306
(c)310 (d)312
Ans(b)
2.If ‘+’ means ‘-‘,’*’ means ‘/’, ‘/’
means ‘+’ and ‘-‘ means ‘*’ then
252*9-5+32/92
(a)95 (b)168
(c)192 (d)200
Ans(d)
3.If ‘+’ means ‘*’,’-‘ means ‘+’,’*’
means ‘/’, ‘/’ means ‘-‘ then
9-(5+4)-(3*2) =?
(a)9.5 (b)3.5
(c) 2.5 (d)30.5
Ans.(d)
4.If ‘+’ means ‘*’, ‘*’ means ‘-‘, ‘-‘
means ‘/’ and ‘/’ means ‘+’ then
26+74-4*5/2=?
(a)478 (b)376
(c)220 (d)488
Ans. (a)
5.If ‘*’ means ‘/’, ‘-‘ means ‘*’, ‘/’
means ‘+’ and ‘+’ means ‘-‘ then
(3-15/19)*8+6=?
(a) 8 (b)4
(c)2 (d)-1
Ans.
(c)
6.If ‘P’ means’*’ ,R means ‘+’, T means ‘/’ ,S means ‘-‘.Then
18T3P9S8R6=?
(a)-3/4 (b)52
(c) 46 (d)58
Ans.(b)
7.If L means ‘+’,M means ‘-‘, N means
‘*’ ,P means ‘/’ then
14 N 10 L 42 P 2 M 8=?
(a)153 (b)216
(c)248
(d)25
Ans (a)
8.If P means ‘/’,Q means ‘*’,R means
‘+’ and S means ‘-‘
Then,18 Q 12 P 4 R 5 S 6=?
(a) 95 (b)
53
(c)51 (d)57
Ans (b)
9.If T means ‘*’, U means ‘-‘ ‘V’
means ‘/’ and W means ‘+’
Then, (50 V 2) W (28 T 4)
(a) 142 (b)158
(c)137 (d)163
Ans. ©
10.If R means ‘/’,’Q’ means ‘*’ ,’P’
means ‘+’ Then,
18 R 9 P 2 Q 9=?
(a) 18 (b)16
(c)28
(d)30
11.If 4 +2a3=6, 18 + 6a4=12,then 24+
3a7=?
(a)21 (b)27
© 72 (d)56
Ans(d)
12. 1/0 means=?
(a)1
(b)0
(c)Infinite
(d)none of these
13.If a couple has Seven daughters and
each daughter has a brother,how many members are there in the family ?
(a)15
(b)16
(c)10
(d)9
Ans (c)
14.Which of the following numbers is
not divisible by4?
(a)98728
(b)68332
(c)49324
(d)68626
Ans (d)
15.Which of following is a prime
number?
(a) 121 (b)657
(c)101 (d)171
Ans (c)
16.Which of following is not a prime
number?
(a)97 (b) 191
(c)221 (d)61
Ans. (c)
17.What will be the difference between
the addition of odd digits and even digits in the number 857423?
(a)0 (b)1
(c)2
(d)4
Ans. (b)
18.If each digit of the number
‘92581473’ is arranged in ascending order,what is the difference between the
newly arranged digits from the right to fourth and the third digit from the
left?
(a)1 (b)2
(c)3 (d)4
Ans.(b)
19.How many Prime Number are less than
20?
(a)6 (b)
7
(c)8
(d)10
Ans. (c)
20.The product of a number with 0 is
always
(a)0
(b)the
number itself
(c)1
(d)not sure
Ans. (a)
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