# numerical symbolic operations Model Questions & Answers, Practice Test for ssc cgl tier 1 (2022)

Question :1

If '-‘ denotes addition, ‘+' denotes subtraction, ‘×' denotes division and ÷ denotes multiplication, then 7 -10 × 5 ÷ 6 + 4 =?

According to the question,

? =  7 - 10 × 5 ÷ 6 + 4

from the question by changing the symbols, we get

= 7 + 10 ÷ 5 × 6 - 4 (using VBODMAS rule)

=7 + 2  × 6 - 4

= (7 + 12) - 4

= 15

Question :2

If '+' means 'minus', ‘-‘, means 'multiply’, ‘÷’ means ‘plus’ and '×' means 'divide', then 10 × 5 ÷ 3 - 2 + 3 = ?

According to the question,

? = 10 × 5 ÷ 3 -2 + 3

from the question by changing the symbols, we get

= 10 ÷ 5 + 3 × 2 - 3 (using VBODMAS rule)

= 2 + 3 × 2 - 3

= 2 + 6 - 3

= 8 - 3 = 5

Question :3

A means ‘+', B means '-' C means ‘×' and D means ÷, then 18 C 14 A 6 B 16 D 4 =?

According to the question,

? = 18 C 14 A 6 B 16 D 4

from the question by changing the symbols, we get

= 18 × 14 + 6 - 16 ÷ 4 (using VBODMAS rule)

= 18 × 14 + 6 - 4

= 252 + 6 - 4

= 258 - 4 = 254

Question :4

If A means '×' B means ‘÷' C means '-' and D means ‘+', then 4 D 16 A 5 B 8 C 5 = ?

According to the question,

? = 4 D 16 A 5 B 8 C 5

from the question by changing the symbols, we get

= 4 + 16 × 5 ÷ 8 - 5 (using VBODMAS rule)

= 4 + 16 × 0.625 - 5

=  4 + 10 - 5

= 14 - 5 = 9

Question :5

If A means ‘-', B means '÷', C means ‘+' and D means '×', then 15 B 3 C 24 A 12 D 2 = ?

According to the question,

? = 15 B  3 C 24 A 12 D 2

from the question by changing the symbols, we get

= 15 ÷ 3 +24 - 12 × 2 (using VBODMAS rule)

= 5 + 24 -12 × 2

= 5+ 24 - 24 = 5

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