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Quiz Begins Here

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Q #1

⏰ 00:00

CAT Races: Circular Races

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Two friends A and B simultaneously start running around a circular track . They run in the same direction. A travels at 6 m/s and B runs at b m/s. If they cross each other at exactly two points on the circular track and b is a natural number less than 30, how many values can b take?

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That's Wrong

That's right

That's Wrong
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Solution

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Q #2

⏰ 00:00

CAT Races: Races in a square

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Consider a square ABCD. EFGH is another square obtained by joining the midpoints of the sides of the square ABCD where E, F , G amd H are the midpoints of AB, BC, CD and DA respectively. Lakshman and Kanika start from points B and D respectively at speeds �l� kmph and �k� kmph respectively and travel towards each other along the sides of the square ABCD. Jagadeesh starts from Point E and travels along the Square EFGH in the anti-clockwise direction at �j� kmph. Lakshman and Kanika meet for the second time at H where Jagadeesh also meets them for the first time. If l : k : j is 1: 3 : 5√2 then the distance travelled by Jagadeesh is

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7.5 times the side of the square EFGH

That's Wrong

7.5 � √2 times the side of the square ABCD

That's right

7.5 � √2 times the side of the square EFGH

That's Wrong

7.5 times the side of the square ABCD

That's Wrong
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Solution

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Q #3

⏰ 00:00

CAT Time Speed and Distance: Cars

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Three cars leave A for B in equal time intervals. They reach B simultaneously and then leave for Point C which is 240 km away from B. The first car arrives at C an hour after the second car. The third car, having reached C, immediately turns back and heads towards B. The first and the third car meet a point that is 80 km away from C. What is the difference between the speed of the first and the third car?

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60 kmph

That's right

80 kmph

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40 kmph

That's Wrong

20 kmph

That's Wrong
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Solution

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Q #4

⏰ 00:00

CAT Races: Circular Races

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Three friends A, B and C decide to run around a circular track. They start at the same time and run in the same direction. A is the quickest and when A finishes a lap, it is seen that C is as much behind B as B is behind A. When A completes 3 laps, C is the exact same position on the circular track as B was when A finished 1 lap. Find the ratio of the speeds of A, B and C?

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5 : 4 : 2

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3 : 2 : 1

That's Wrong

4 : 3 : 2

That's Wrong

5 : 4 : 3

That's right
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Solution

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Q #5

⏰ 00:00

CAT Time Speed and Distance: Speed Change

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Mr. X decides to travel from Delhi to Gurgaon at a uniform speed and decides to reach Gurgaon after T hr. After 30 km, there is some engine malfunction and the speed of the car becomes (4/5), of the original speed. So, he travels the rest of the distance at a constant speed (4/5), of the original speed and reaches Gurgaon 45 minutes late. Had the same thing happened after he travelled 48 km, he would have reached only 36 minutes late. What is the distance between Delhi and Gurgaon?

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120 km

That's right

90 km

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40 km

That's Wrong

20 km

That's Wrong
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Solution

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