MAH CET MCA Arithmetic Reasoning Previous Year Questions (PYQs)
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Showing 3 questions
How many such digits are there in the number 6837941, each of which is as far away from the beginning in the number as when the digits are arranged in descending order within the number?
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Solution
If $+$ means $\div$, $÷$ means $-$, $-$ means $\times$, and $\times$ means $+$.
Then evaluate $14 + 2 \times 3 ÷ 8 = ?$
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Solution
Replace signs:
$14 + 2 \times 3 ÷ 8$
→ $14 ÷ 2 + 3 - 8$
→ $7 + 3 - 8 = 2$.
The question is based on the six numbers: $283, 347, 518, 829, 748, 827$.
If the first and third digits of each number are interchanged, which number will be the third lowest?
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Solution
After swapping: $382,743,815,928,847,728$.
Ascending: $382,728,743,815,847,928$ → third lowest corresponds to $743,(347)$.
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