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  • SSC CHSL Exam SSC CHSL Quantative Aptitude Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of SSC CHSL Quantative Aptitude Mathematical Operations for SSC CHSL Exam student. This free online SSC CHSL Quantative Aptitude study material for SSC CHSL Exam will help students in learning and doing practice on Mathematical Operations topic of SSC CHSL Exam SSC CHSL Quantative Aptitude. The study material on Mathematical Operations, help SSC CHSL Exam SSC CHSL Quantative Aptitude students to learn every aspect of Mathematical Operations and prepare themselves for exams by doing online test exercise for Mathematical Operations, as their study progresses in class. Kidsfront provide unique pattern of learning SSC CHSL Quantative Aptitude with free online comprehensive study material and loads of SSC CHSL Exam SSC CHSL Quantative Aptitude Mathematical Operations exercise prepared by the highly professionals team. Students can understand Mathematical Operations concept easily and consolidate their learning by doing practice test on Mathematical Operations regularly till they excel in SSC CHSL Quantative Aptitude Mathematical Operations.


Mathematical Operations
In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

a) 36
b) 24
c) 28
d) 40


✔Answer
✔Solution
Correct Answer Is : 36
Solution Is : 180 students have ration for 20 days --> 180 * 20 = 3600 rations There are rations for 3600 persons . If rations are to be left for 25 days No of persons should be = 3600 / 25 = 144 persons Number of persons to leave the camp = 180 - 144 = 36
The sum of two digits of a number is 10. If the digits are interchanged, then its value increases by 18. Find the number.

a) 46
b) 64
c) 19
d) 28


✔Answer
✔Solution
Correct Answer Is : 46
Solution Is : Let the number be xy . x + y = 10 ---(1) yx is more than xy by 18 . Which is , (10y+x ) - ( 10x+y) = 18 9y - 9x = 18 y - x = 2 ----(2) From (1) and (2) (1) + (2) --> 2y = 12 ---> y = 6 x = 10 - 6 = 4 The number is 46 .
Which one of the following responses is correct ? 8 * 5 * 27 * 3 * 16

a) ×, =,
b) , =, ×, +
c) ×, =, +,
d)



✔Answer
✔Solution
Correct Answer Is : ×, =,
Solution Is : (1) 8*5=27-3+16 => 40=24+16 => 40=40
Some equations are solved on the basis of a certain system. On the same basis , find out the correct answer for the unsolved equation . 4 x 6 x 9 = 649
7 x 3 x 2 = 372
8 x 9 x 4 = ?

a) 489
b) 849
c) 948
d) 984


✔Answer
✔Solution
Correct Answer Is : 984
Solution Is :
Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
15*3*5*20*2

a) + - = /
b) X - = x
c) + = / x
d) X - = +


✔Answer
✔Solution
Correct Answer Is : X - = x
Solution Is : Given equation --> 15 * 3 * 5 * 20 * 2 From option B , 15 x 3 - 5 = 20 x 2 45 -5 = 40 40 = 40
Which of the following interchanges of signs would make the given equation correct ?
24 + 6 x 3 / 3 - 1 = 14

a) + and x
b) X and -
c) / and +
d) - and /


✔Answer
✔Solution
Correct Answer Is : / and +
Solution Is : Given equation 24 + 6 x 3 / 3 - 1 = 14 From option C , 24 / 6 x 3 + 3 -1 = 14 4 x 3 + 3 - 1 = 14 15 - 1 = 14 14 = 14
Some equations are solved on the basics of a certain system. On the same basis, find out the correct answer for the unsolved equation. 8 * 7 * 5 = 578; 11 * 10 * 9 = 91011;
3 * 1 * 2 = 213; 7 * 4 * 2 = ?

a) 56
b) 247
c) 128
d) 282


✔Answer
✔Solution
Correct Answer Is : 247
Solution Is :
Which interchange of signs will make the following equation correcct?
(16 - 4) * 6 / 2 + 8 = 30

a) + and -
b) 4 and 2
c) - and +
d) 16 and 6


✔Answer
✔Solution
Correct Answer Is : + and -
Solution Is :
Choose the appropriate combination of signs to fill at places of * to solve the given equation .
(23 - 5) * ( 12 / 2 ) * 3 * 4

a) ++=
b) -/=
c) X+=
d) +-=


✔Answer
✔Solution
Correct Answer Is : -/=
Solution Is : Consider Option B ,
Given equation after putting signs according to question
(23-5)-(12/2) / 3 = 4
18 - 6 / 3 = 4
12 / 3 = 4
4 = 4
If the `+` and `-` signs are interchanged , similarly `x` and `/` signs are interchanged , then find the answer of the following equation .
10 - 2 + 12 x 1 / 0

a) 8
b) 12
c) 1
d) 0


✔Answer
✔Solution
Correct Answer Is : 12
Solution Is : Given equation ,
10 - 2 + 12 x 1 / 0
According to question , after interchanging the signs
10 + 2 - 12 / 1 x 0 = 12 - 12 x 0
= 12 - 0 = 12
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