Reasoning & Mental Ability — Bihar CGL

Logical reasoning, comprehension, and mental ability questions from Bihar CGL PYQs.

1350 published questions

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Questions

If a ∶ b = 2 ∶ 3; b ∶ c = 4 ∶ 5 and c ∶ d = 6 ∶ 7, then a ∶ d = ?

2026 PYQDifficulty 1

The average age of a woman and her daughter is 21 years. The ratio of their ages is 5 ∶ 1 respectively. What will be th…

2026 PYQDifficulty 1

If 12 men or 18 women can complete the harvesting of a field in 14 days, then in how many days can 8 men and 16 women c…

2026 PYQDifficulty 1

A mixture of liquids A and B in a jar is in the ratio of 4 ∶ 1. If 10 liters are taken out of that mixture and the same…

2026 PYQDifficulty 1

If the average of four consecutive odd whole numbers A, B, C, D is 42, then what is the product of B and D?

2026 PYQDifficulty 1

Which one of the following numbers is exactly divisible by 99?

2026 PYQDifficulty 1

Which of the following fractions will be the fourth if the fractions 4/5, 6/7, 9/11, and 3/8 are ordered in descending…

2026 PYQDifficulty 1

A person completes 2/15 th of his total journey by rail, 9/20 th by car and the remaining 10 km by walking. Accordingly…

2026 PYQDifficulty 1

The average of 25 results is 18. The average of the first 12 is 14 and the last 12 is 17. What is the 13th result?

2026 PYQDifficulty 1

In a division question, the factor is ten times the quotient and five times the remainder. If the remainder is 46, what…

2026 PYQDifficulty 1

The following diagram shows the percentage of engineers, laborers and managers working in a multinational company. If t…

2026 PYQDifficulty 1

What is the remainder when 1421 × 1423 × 1425 is divided by 12?

2026 PYQDifficulty 1

The radius of a circle is increased by 3%. What is the percentage increase in its area?

2026 PYQDifficulty 1

The average of 5, 7, 9, x, 15 is 10 and the average of 17, 8, 19, 16, x, y, 4 is 12. What is the value of y?

2026 PYQDifficulty 1

If 4x² - 10xy + 6y² = 0, then x : y is?

2026 PYQDifficulty 1

Arnav ranked 8th from the top and 39th from the bottom in a class. How many students are there in the class?

2026 PYQDifficulty 1

In the following question, four pairs of words are given, out of which the words of three pairs bear a certain common r…

2026 PYQDifficulty 1

There is a relation between first two terms. Find the correct option to replace the question mark, which will have the…

2026 PYQDifficulty 1

A seller calculated his intended selling price at 5% profit on the cost of a product. If profit is reduced by ₹120, the…

2026 PYQDifficulty 1

Difference of two numbers is 840. If 5% of one number is 15% of the other number, then find both numbers.

2026 PYQDifficulty 1

People Also Ask

What Reasoning & Mental Ability topics appear in Bihar CGL?

Logical reasoning, comprehension, and mental ability questions from Bihar CGL PYQs.

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Setlgao publishes 1350 Reasoning & Mental Ability previous year questions for Bihar CGL with answers and explanations.

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