numerical symbolic operations Model Questions & Answers, Practice Test for ssc cgl tier 1
ssc cgl tier 1 SYLLABUS WISE SUBJECTS MCQs
Analogies, Similarities and differences
Relationship concepts
Arithmetical reasoning, arithmetic number series
Verbal Coding and decoding
Statement conclusion
Semantic Analogy, Symbolic/ Number Analogy, Figural Analogy
Numerical Operations, symbolic Operations
Venn Diagrams
Classification of centre codes/ roll numbers
Visual memory, discrimination, observation
Out of 38 families in a housing society 5 subscribe to Hindi newspapers alone, 12 subscribe to both Hindi and Marathi newspapers. Find the number of Marathi newspaper subscribers.
Answer: (e)
38 = 5 + n(B) – 12
Number of people who take Marathi Newspaper = 12 + 21 = 33
∴ m(B) = 38 + 12 – 5 = 45
45 subscribe to marathi newspaper 45 – 12 (both)
= 33 subscribe only for Marathi newspaper.
If '#' means '+', '★' means '÷', '@' means '×' and '$' means '–' then what will be the value of the following expression?
‘40 $ 20 @ 2 # 40 ★ 20 # 38’
Answer: (b)
40 $ 20 @ 2 # 40 ★ 20 # 38
40 - 20 × 2 + 40 ÷ 20 + 38
= 40 – 20 × 2 + ${40}/{20}$ + 38
= 40 – 40 + 2 + 38
If '+' means '×', '×' means '-', '÷' means '+' and '-' means '÷', then what will be the value of the following expression?
288 - 32 + 6 × 45 ÷ 9 = ?
Answer: (d)
? = 288 ÷ 32 × 6 - 45 + 9
or ? = 9 × 6 - 45 + 9
or ? = 54 - 45 + 9 = 18
If ‘P’ means ‘divided by’ , ‘R’ means ‘multiplied by’, ‘T’ means ‘added to’ and ‘W’ means ‘subtracted from’,
then 60 T 48 P 8 W 6 R 9 = ?
Answer: (a)
60 T 48 P 8 W 6 R 9 = ?
⇒ 60 + 48 ÷ 8 – 6 × 9 = ?
⇒ 60 + 6 – 54 = ?
⇒ 12 = ?
'A ▢ B' means 'A' is multiplied by 'B', 'A • B' means 'A is divided by B', 'A ? B' means 'B is added to A' and 'A = B' means, 'B is subtracted from A' then what will be the value of the following expression?
'10 ▢ 10 = 5 ▢ 10 ? 50 • 10'
Answer: (e)
10 ▢ 10 = 5 ▢ 10 ? 50 • 10
= 10 × 10 - 5 × 10 +50 ÷ 10
10 × 10 - 5 × 10 + ${50}/{10}$
= 100 – 50 + 5
=55
ssc cgl tier 1 IMPORTANT QUESTION AND ANSWERS
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