Learn General Intelligence And Reasoning Mathmatics Operation, SSC SI CAPF Exam General Intelligence And Reasoning Mathmatics Operation Exercise, Free Online Mathmatics Operation Lessons

SSC SI CAPF Exam General Intelligence And Reasoning Study Material

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Mathmatics Operation

If + means ÷, - means x, x means +, ÷ means -, give the value for 45 + 9 - 3× 15 ÷ 2

a) 40
b) 36
c) 56
d) 28

✔Answer

✔Solution

Correct Answer Is : 28

Solution Is : 45 + 9 - 3 × 15 ÷ 2
= 45 ÷ 9 x 3 + 15 - 2
= 5 × 3 + 15 - 2
= 30 - 2 = 28

Find the correct group of signs to solve the equation.
24 * 16 * 8 * 32

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

✔Answer

✔Solution

Correct Answer Is : + - =

Solution Is : (1) 24168*32
⇒24+16-8=32
⇒40-8=32

Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
15* 24 * 3 6 17

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

✔Answer

✔Solution

Correct Answer Is : + / - =

Solution Is : (2) 15243617
⇒15+24+3-6=17
⇒15+8-6=17

Which of the following interchanges of numbers would make the given equation correct ?
8×20÷3+9-5=38

a) 3, 9
b) 3, 8
c) 8, 9
d) 3, 5

✔Answer

✔Solution

Correct Answer Is : 3, 5

Solution Is : (4) 8×20÷3+9-5=38
⇒8×20÷5+9-3=38
⇒8×4+9-3=38
⇒32+9-3=38

Put the correct mathematical signs in the following equation from the given alternatives.
33 ? 11 ? 3 ? 6 ?= 115

a)
b) `+,` `
c) ×, ÷,
d)

✔Answer

✔Solution

Correct Answer Is : ×, ÷,

Solution Is : (3) 33×11÷3-6=115
⇒(363/3)-6=115
⇒121-6=115

If - stands for division, + for multiplication, ÷ for subtraction and × for addition, then which one of the following equations is correct ?

a) 19 + 5 - 4 x 2 ÷ 4 = 11
b) 19 x 5 - 4 ÷ 2 + 4 = 16
c) 19 ÷ 5 + 4 - 2 x 4 = 13
d) 19 ÷ 5 + 4 + 2 ÷ 4 = 20

✔Answer

✔Solution

Correct Answer Is : 19 ÷ 5 + 4 - 2 x 4 = 13

Solution Is : Put the value of signs in option 3, 19 - 5 x 4 ÷ 2 + 4 = 13

If `-` stands for division `+` stands for subtraction, `÷` stands for multiplication, `×` stands for addition, then which one of the following equations is correct?

a) 70 - 2 + 4 ÷ 5× 6 = 44
b) 70 - 2 + 4 ÷ 5× 6 = 21
c) 70 - 2 + 4 ÷ 5 × 6 = 341
d) 70 - 2 + 4 ÷ 5× 6 = 36

✔Answer

✔Solution

Correct Answer Is : 70 - 2 + 4 ÷ 5× 6 = 21

Solution Is : 70 ÷ 2 - 4 × 5+ 6 = 44
15+ 6 NOT EQUAL TO 44
70 ÷ 2 - 4 × 5+ 6 = 21
35 - 20 + 6 = 21
41 - 20 = 21

Which of the following interchange of signs would make the equation correct? 8 × 6 +2 =22

a) Add, x, 2 and 6
b) Add, x, 2 and 8
c) Add, x, 6 and 8
d) Add, x, 2 and 22

✔Answer

✔Solution

Correct Answer Is : Add, x, 6 and 8

Solution Is : 6 + 8 x 2 = 22

If `-` stands for addition, `+` stands for subtraction, `÷` stands for multiplication and `×` stands for division, then which one of the following equation is correct?

a) 50 × 5 ÷ 30 + 25 = 25
b) 50 - 30 + 5 ÷ 2 × 30 = 25
c) 40 + 35 × 2 - 50 ÷ 30 = 95
d) 30 × 2 - 25 + 50 ÷ 5 = 100

✔Answer

✔Solution

Correct Answer Is : 50 × 5 ÷ 30 + 25 = 25

Solution Is : 50 × 5 ÷ 30 + 25 = 25

If `P` means `+"Q` means `×"R` means `÷` and `S` means `-` then : 44 Q 9 R 12 S 6 Q 4 P 16 = ?

a) 25
b) 112
c) 36
d) 124

✔Answer

✔Solution

SSC SI CAPF Exam General Intelligence And Reasoning Study Material

Mathmatics Operation

If + means ÷, - means x, x means +, ÷ means -, give the value for 45 + 9 - 3× 15 ÷ 2

Correct Answer Is : 28

Solution Is : 45 + 9 - 3 × 15 ÷ 2 = 45 ÷ 9 x 3 + 15 - 2 = 5 × 3 + 15 - 2 = 30 - 2 = 28

Find the correct group of signs to solve the equation. 24 * 16 * 8 * 32

Correct Answer Is : + - =

Solution Is : (1) 24*16*8*32 ⇒24+16-8=32 ⇒40-8=32

Select the correct combination of mathematical signs to replace * signs and to balance the given equation. 15* 24 * 3 *6 * 17

Correct Answer Is : + / - =

Solution Is : (2) 15*24*3*6*17 ⇒15+24+3-6=17 ⇒15+8-6=17

Which of the following interchanges of numbers would make the given equation correct ? 8×20÷3+9-5=38

Correct Answer Is : 3, 5

Solution Is : (4) 8×20÷3+9-5=38 ⇒8×20÷5+9-3=38 ⇒8×4+9-3=38 ⇒32+9-3=38

Put the correct mathematical signs in the following equation from the given alternatives. 33 ? 11 ? 3 ? 6 ?= 115

Correct Answer Is : ×, ÷,

Solution Is : (3) 33×11÷3-6=115 ⇒(363/3)-6=115 ⇒121-6=115

If - stands for division, + for multiplication, ÷ for subtraction and × for addition, then which one of the following equations is correct ?

Correct Answer Is : 19 ÷ 5 + 4 - 2 x 4 = 13

Solution Is : Put the value of signs in option 3, 19 - 5 x 4 ÷ 2 + 4 = 13

If `-` stands for division `+` stands for subtraction, `÷` stands for multiplication, `×` stands for addition, then which one of the following equations is correct?

Correct Answer Is : 70 - 2 + 4 ÷ 5× 6 = 21

Solution Is : 70 ÷ 2 - 4 × 5+ 6 = 44 15+ 6 NOT EQUAL TO 44 70 ÷ 2 - 4 × 5+ 6 = 21 35 - 20 + 6 = 21 41 - 20 = 21

Which of the following interchange of signs would make the equation correct? 8 × 6 +2 =22

Correct Answer Is : Add, x, 6 and 8

Solution Is : 6 + 8 x 2 = 22

If `-` stands for addition, `+` stands for subtraction, `÷` stands for multiplication and `×` stands for division, then which one of the following equation is correct?

Correct Answer Is : 50 × 5 ÷ 30 + 25 = 25

Solution Is : 50 × 5 ÷ 30 + 25 = 25

If `P` means `+"Q` means `×"R` means `÷` and `S` means `-` then : 44 Q 9 R 12 S 6 Q 4 P 16 = ?

Correct Answer Is : 25

Solution Is : 44 * 9 -12 - 6 *4 +16 = 25

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Solution Is : 45 + 9 - 3 × 15 ÷ 2
= 45 ÷ 9 x 3 + 15 - 2
= 5 × 3 + 15 - 2
= 30 - 2 = 28

Find the correct group of signs to solve the equation.
24 * 16 * 8 * 32

Solution Is : (1) 24168*32
⇒24+16-8=32
⇒40-8=32

Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
15* 24 * 3 6 17

Solution Is : (2) 15243617
⇒15+24+3-6=17
⇒15+8-6=17

Which of the following interchanges of numbers would make the given equation correct ?
8×20÷3+9-5=38

Solution Is : (4) 8×20÷3+9-5=38
⇒8×20÷5+9-3=38
⇒8×4+9-3=38
⇒32+9-3=38

Put the correct mathematical signs in the following equation from the given alternatives.
33 ? 11 ? 3 ? 6 ?= 115

Solution Is : (3) 33×11÷3-6=115
⇒(363/3)-6=115
⇒121-6=115

Solution Is : 70 ÷ 2 - 4 × 5+ 6 = 44
15+ 6 NOT EQUAL TO 44
70 ÷ 2 - 4 × 5+ 6 = 21
35 - 20 + 6 = 21
41 - 20 = 21