Most Repeated GK MCQs from Past Papers MCQs with Answers & Explanations (Page 153)

Cognitive development is best defined in the school and classroom environment because these settings most directly shape a child's thinking, reasoning, and mental skills.

Kindergarten is Frobel's key contribution, as he established the concept of a structured early-childhood educational setting for young children.

Drill Method is correct because it relies on repeating a learning act until the learner attains the desired level of skill and accuracy.

Selection is the process of choosing the most suitable candidate from a pool of applicants by evaluating qualifications and fit for the position.

Experience increases creativity because repeated practice and varied encounters build problem-solving skills and original thinking.

A non-directive interview allows respondents to speak freely and is most appropriate for gaining insight into hidden or underlying motivations.

Observation allows the researcher to directly record teachers' behavior and the actual facilities in use, revealing which features truly enhance and sustain motivation.

Validity ensures an assessment actually measures the intended construct, so it is the most important characteristic of a good assessment.

The rise is 11 − (−3) = 14, so 14 C is correct because subtracting a negative adds 3 degrees to 11 degrees.

1/10 + 2/5 − 1/20 = 2/20 + 8/20 − 1/20 = 9/20, which does not match any listed fraction, so None of these is correct.

24375 ÷ 375 = 65, and since 375×65 = 24375, 65 shelves are needed.

Circumference = 2πr, so dividing by the radius gives 2π, making 2π the correct ratio.

60% of 70 = 0.60×70 = 42, so 42 is the correct value.

By definition one kilometer equals 1000 meters, so 1000 meters is correct.

Binary 1101 = 1·8 + 1·4 + 0·2 + 1·1 = 13, so 1101 is the correct binary representation.

Ratio 3:2 has a difference of 1 part = 5 years, so the younger is 2 parts = 2×5 = 10 years, making 10 years correct.

Inserting 4 arithmetic means between 18 and 3 gives an AP with common difference -3, so the four means sum to 42.

Compute (1.14/1.9)×100 = 0.6×100, so the result is 60%.

With 20 heads total and pigeons having 2 feet and rabbits 4, 2*(20−r)+4r=48 solves to r=4, so there are 4 Rabbits.

Convert to forty‑seconds: 43 1/21 = 1808/42 and 27 5/14 = 1149/42; subtracting gives 659/42 = 15 29/42.