mathematical operation Model Questions & Answers, Practice Test for ssc chsl tier 1 2023
ssc chsl tier 1 2023 SYLLABUS WISE SUBJECTS MCQs
Analogy
Classification Odd Man Out
Series Completion
Coding & Decoding
Blood Relation
Venn Diagrams
Puzzles Test
Mathematical Operation
Seating Arrangement
Find the correct inference according to given premises and symbols : A : Not greater than B : Greater than C : Equal to E : Not less than F : Less than Premise : (pCm) and (pAm)
Answer: (b)
pCm and pAm ⇒ p ≠ m and p ⊁ m ⇒ p > m ⇒ pEm.
If 3 + 5 = 16 ; 7 + 9 = 64 ; 10 + 12 = 121, then 11 + 3 = ?
Answer: (b)
The rule is a + b = $({a + b}/2)^2$
3 + 5 = $({3 + 5}/2)^2$ etc.
∴ 11 + 3 = $({11 + 3}/2)^2$ = 49
If ÷ means +, – means ÷, × means – and + means ×, then ${(36 × 4) - 8 ×4}/{4 + 8 × 2 + 16 ÷ 1}$ = ?
Answer: (c)
Using the correct symbols, we have
Given expression = ${(36 - 4) ÷ 8 - 4}/{4 × 8 - 2 × 16 + 1} = {32 ÷ 8 - 4}/{32 - 32 + 1} = {4 - 4}/{0 + 1}$ = 0.
IF P means ' division', T means ' additions', M means ' subtraction and D means multiplication', then what will be the value of the expressions 12 M 12 D 28 P 7 T 15 ?
Answer: (d)
Using the correct symbols, we have
Given expression = 12 – 12 × 28 ÷ 7 + 15
= 12 – 12 × 4 + 15 = 12 – 48 + 15
= 27 – 48 = – 21.
If A stands for +, B stands for –, C stands for ×, then what is the value of (10 C 4) A (4 C 4 ) B 6 ?
Answer: (b)
Using the correct symbols, we have
Given expression
= (10 × 4) + (4 × 4) – 6 = 40 + 16 – 6
= 56 – 6 = 50 .
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