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Unitary (Math) Solved Questions & Notes (2026) - Apex Rankers

General Competitive Exams > Math > Unitary

4 Total Solved Questions
~6 mins Estimated Reading Time
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Unitary

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4 Questions in this set
PARTNERSHIP & UNITARY METHOD: Solve calculations for individual profit shares or project durations based on investment proportions and varying work rates.
Q. 1 Quantitative Aptitude Test
Difficulty: Medium (1 Mark)
If 10 book cost Rs. 35, the price of 16 books is:
A
40
B
50
C
56
✓ Correct
D
60
💡 Step-by-Step Explanation & Concept Rationale
Unit price = 3.5. Total = 3.5×16=56.
Q. 2 Quantitative Aptitude Test
Difficulty: Medium (1 Mark)
If 20 cows cost Rs. 90, the cost of 9 cows is:
A
405
B
4.5
C
40.5
✓ Correct
D
45
💡 Step-by-Step Explanation & Concept Rationale
Unit price = 90/20=4.5. Total = 4.5×9=40.50.
Q. 3 Quantitative Aptitude Test
Difficulty: Medium (1 Mark)
20 men assemble 8 machines. Men needed for 12?
A
30
✓ Correct
B
40
C
50
D
60
💡 Step-by-Step Explanation & Concept Rationale
Ratio 12/8×20=1.5×20=30.
Q. 4 Quantitative Aptitude Test
Difficulty: Medium (1 Mark)
If 15 books cost Rs. 70, how much will 12 books?
A
56
✓ Correct
B
58
C
60
D
62
💡 Step-by-Step Explanation & Concept Rationale
Unit price 70/15. Total = 70/15×12=14×4=56.
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