# AFCAT (II) 2020 (Memory Based) Set I Questions and Answer Doorsteptutor. Com Part 7

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Question 47

Which Venn diagram truly represents the relationship among Atoms, Electron and Neutron:

A.

B.

C.

D.

Question 48

Which Venn diagram truly represents the relationship among Shark, Whale and Sea turtle:

A.

B.

C.

D.

Question 49

Sides of a triangle are in ratio and the perimeter is 117 m. What is the length of biggest side?

A. 54 m

B. 55 m

C. 22 m

D. 33 m

Question 50

3 years ago, the average of A, B and C was 18 years. At present average age of A, B, C and D is 22 years. Find the present age of D.

A. 20 years

B. 22 years

C. 23 years

D. 25 years

Question 51

In a race of 4000 m of 1000 m round circle. Faster racer catches the slower racer in 5 min. if the ratio of speed of faster to slower is 2: 1, then time taken by faster racer to complete the race:

A. 8 min

B. 10 min

C. 12 min

D. 10.5 min

Question 52

Cost price of a Radio is ₹ 150 and it takes ₹ 10 to repair it. If the selling price is ₹ 300, then find the Profit percentage:

A. 85 %

B. 87.5 %

C. 90 %

D. 75 %