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Quantitative - Mathematics - Solid Geometry:

Quadrilatorals

MCQ - 1-11853

Question:

What will be the least number of marbles with Reehan if he can arrange them in rows of 18, 10 and 15 marbles each as well as make a perfect solid square out of all the marbles?

  1. 133
  2. 43
  3. 90
  4. 43

Correct Answer: D

Explanation:

We need the least number, which means we must first find LCM of 18, 10 and 15

capture -13440974

LCM = 3 × 2 × 5 × 3 = 90

Here there are two 3’s (this gives square of 3) but only one 2 and one 5

Ife we multiply by 2 and 5 then we gest, 3 × 3 × 2 × 2 × 5 × 5 = 900

900 is perfect square = number of marbles

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131 MCQ for effective preparation of the test of Quadrilatorals of Solid Geometry section.

Read the MCQ statement: What will be the least number of marbles with Reehan if he can arrange them in rows of 18, 10 and 15 marbles each as well as make a perfect solid squa .... of all the marbles?, keenly and apply the method you have learn through the video lessons for Quadrilatorals to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 1-11853.

How to Answer

Solve the question for MCQ No. and decide which option (A through D/E) is the best choice to answer the MCQ, then click/tap the blue button to view the correct answer and it explanation.

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